Tillage.pptx
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Tillage has several objectives including loosening soil to develop structure for root growth, incorporating residues to improve texture and fertility, controlling weeds, minimizing erosion, and establishing configurations for planting, irrigation, and harvesting. Tillage is classified as primary or secondary, with primary tillage like plowing penetrating deeper to reduce soil strength and secondary tillage more shallow to break clods. Common tillage systems are conventional tillage using many implements, minimum tillage reducing trips while optimizing crop growth, and conservation tillage reducing erosion by disturbing less than 25% of soil and maintaining over 30% soil surface mulch.
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Tillage Practices and types
Tillage is the manipulation of soil with tools & implements for loosening the surface crust & bringing about conditions favorable for the germination of seeds and the growth of crops.
soil condition resulting from tillage
good Tilth - soft, friable & properly aerated
crop emergence, establishment, growth and development
easy infiltration of water & are retentive of moisture for satisfactory growth of plants
To prepare the seed bed to a satisfactory level which promotes good germination and establishment of the seedlings
To control weeds and improve close plant-soil interaction in the rooting zone.
To loosen the soil for easy penetration and proliferation
To remove the other sprouting materials in the soil
To modify the soil temperature
To break hard soil pans and improve drainage facilities
To manage the plant residues by incorporating into the soil or to retain on the top layer to reduce erosion.
To improve the physical conditions of the soil
To harvest rain water easily and soil erosion can be minimised.
To establish specific surface configurations for sowing, irrigation, drainage, etc.
To incorporate and mix applied fertilizers and manures into the soil.
To destroy the eggs and larvae of insects and their breeding places.
Tillage n tilth
Tillage and tilth involve mechanical soil manipulation to create ideal conditions for plant growth. Tillage includes primary tillage like ploughing to open soil and secondary tillage like harrowing to break clods. The objectives are to prepare seedbeds, control weeds, aerate soil, and mix amendments. On-season tillage occurs before planting while off-season tillage conditions soil for future crops. Different tillage types include subsoiling to break hardpans and puddling for rice where soil is tilled under water. The depth and number of tillage operations varies by crop needs and soil conditions.
tillage
Tillage operations are carried out to prepare soil for planting crops by improving tilth. Good tilth refers to soil that is porous and friable with balanced capillary and non-capillary pores. The objectives of tillage include preparing seed beds, controlling weeds, conserving soil and water, improving soil structure and aeration, increasing permeability, and destroying pests. Tillage influences soil physical properties like pore space, structure, bulk density and water content. Primary tillage includes plowing using various plows, while secondary tillage further breaks up clods and prepares seed beds through harrowing and planking. Minimum tillage aims to reduce tillage operations and their negative impacts.
TILTH & TILLAGE
Tillage and tith are important for soil health and crop growth. Tillage refers to working the surface soil to create favorable conditions for crop establishment, growth, and yield. There are two types of tillage - preparatory and special purpose. Preparatory tillage includes primary tillage using plows or tractors on new land, and secondary tillage like harrowing to create good soil structure. Zero tillage involves minimum soil disturbance and control of weeds through non-mechanical means. Tillage provides benefits like improved water holding capacity, aeration, and nutrient availability through enhanced organic matter breakdown. However, too much or improperly timed tillage can damage soil structure and increase erosion.
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Wind erosion
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Bench terracing
Bench terracing involves constructing level or sloped platforms across a hillside to reduce soil erosion and facilitate agriculture. It has been used for thousands of years around the world. Bench terracing is well-suited to steep slopes under 30% with stable soil. It can improve crop yields by slowing runoff, increasing infiltration, and allowing different crops on benches. However, bench terracing requires significant labor to construct and maintain properly to prevent failures. Examples of historic and current bench terracing can be seen around the world, from the Philippines to France, the Middle East, and Asia.
Conservation agriculture for soil health sustainability
Conservation agriculture for soil health sustainabilityVasantrao Nail Marathwada Krishi Vidyapeeth, Parbhani
Conservation Agriculture (CA) is a concept for resource-saving agricultural crop production system that strives to achieve acceptable profits together with high and sustained production levels while conserving the environment.
It is based on minimum tillage, crop residue retention, and crop rotations, has been proposed as an alternative system combining benefits for the farmer with advantages for the society.
Conservation Agriculture remains an important technology that improves soil processes, controls soil erosion and reduces production cost.
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Tillage Practices and types
Tillage is the manipulation of soil with tools & implements for loosening the surface crust & bringing about conditions favorable for the germination of seeds and the growth of crops.
soil condition resulting from tillage
good Tilth - soft, friable & properly aerated
crop emergence, establishment, growth and development
easy infiltration of water & are retentive of moisture for satisfactory growth of plants
To prepare the seed bed to a satisfactory level which promotes good germination and establishment of the seedlings
To control weeds and improve close plant-soil interaction in the rooting zone.
To loosen the soil for easy penetration and proliferation
To remove the other sprouting materials in the soil
To modify the soil temperature
To break hard soil pans and improve drainage facilities
To manage the plant residues by incorporating into the soil or to retain on the top layer to reduce erosion.
To improve the physical conditions of the soil
To harvest rain water easily and soil erosion can be minimised.
To establish specific surface configurations for sowing, irrigation, drainage, etc.
To incorporate and mix applied fertilizers and manures into the soil.
To destroy the eggs and larvae of insects and their breeding places.
Tillage n tilth
Tillage and tilth involve mechanical soil manipulation to create ideal conditions for plant growth. Tillage includes primary tillage like ploughing to open soil and secondary tillage like harrowing to break clods. The objectives are to prepare seedbeds, control weeds, aerate soil, and mix amendments. On-season tillage occurs before planting while off-season tillage conditions soil for future crops. Different tillage types include subsoiling to break hardpans and puddling for rice where soil is tilled under water. The depth and number of tillage operations varies by crop needs and soil conditions.
tillage
Tillage operations are carried out to prepare soil for planting crops by improving tilth. Good tilth refers to soil that is porous and friable with balanced capillary and non-capillary pores. The objectives of tillage include preparing seed beds, controlling weeds, conserving soil and water, improving soil structure and aeration, increasing permeability, and destroying pests. Tillage influences soil physical properties like pore space, structure, bulk density and water content. Primary tillage includes plowing using various plows, while secondary tillage further breaks up clods and prepares seed beds through harrowing and planking. Minimum tillage aims to reduce tillage operations and their negative impacts.
TILTH & TILLAGE
Tillage and tith are important for soil health and crop growth. Tillage refers to working the surface soil to create favorable conditions for crop establishment, growth, and yield. There are two types of tillage - preparatory and special purpose. Preparatory tillage includes primary tillage using plows or tractors on new land, and secondary tillage like harrowing to create good soil structure. Zero tillage involves minimum soil disturbance and control of weeds through non-mechanical means. Tillage provides benefits like improved water holding capacity, aeration, and nutrient availability through enhanced organic matter breakdown. However, too much or improperly timed tillage can damage soil structure and increase erosion.
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Bench terracing
Bench terracing involves constructing level or sloped platforms across a hillside to reduce soil erosion and facilitate agriculture. It has been used for thousands of years around the world. Bench terracing is well-suited to steep slopes under 30% with stable soil. It can improve crop yields by slowing runoff, increasing infiltration, and allowing different crops on benches. However, bench terracing requires significant labor to construct and maintain properly to prevent failures. Examples of historic and current bench terracing can be seen around the world, from the Philippines to France, the Middle East, and Asia.
Conservation agriculture for soil health sustainability
Conservation agriculture for soil health sustainabilityVasantrao Nail Marathwada Krishi Vidyapeeth, Parbhani
Conservation Agriculture (CA) is a concept for resource-saving agricultural crop production system that strives to achieve acceptable profits together with high and sustained production levels while conserving the environment.
It is based on minimum tillage, crop residue retention, and crop rotations, has been proposed as an alternative system combining benefits for the farmer with advantages for the society.
Conservation Agriculture remains an important technology that improves soil processes, controls soil erosion and reduces production cost.
Zero tillage
Zero tillage, also known as no-tillage, involves direct seeding of crops into untilled soil with minimal soil disturbance. It provides benefits such as conserving soil moisture, reducing erosion, and allowing timely sowing of crops. However, it also poses some challenges like increased soil compaction and potentially lower yields for some crops compared to conventional tillage. Overall, zero tillage is seen as an important conservation agriculture practice for improving the sustainability of cropping systems.
Erosion control measures
This document discusses various erosion control measures for soil and water conservation. It describes agronomic measures like contour cropping, strip cropping, and mulching which control erosion by reducing rain drop impact and increasing infiltration. Mechanical measures like bunding and terracing are also discussed. Bunds are embankments constructed across slopes to slow water flow, while terraces convert steep slopes into level platforms separated by retaining walls to control runoff. Different types of bunding, terracing and their applications are explained in detail.
Wasteland classification
Wastelands refer to degraded lands that are currently underutilized, and are deteriorating for lack of appropriate soil & water management or on account of natural causes.
Wastelands develop naturally or due to influence of environment, chemical and physical properties of the soil or management constraints.
The classification scheme adopted for monitoring of wasteland on 1:50,000 scale.
On the other hand, the Wasteland Development Board and some other institutions have considered all those categories of land as wastelands which are not under the use of forest pasture and cultivation.
From the utilization point of view, wastelands are classified as forest wasteland and non-forest wasteland, cultivated wasteland and non-cultivated wasteland .
In the wasteland classification scheme followed by Department of Land Resources, Ministry of Rural Development and National Remote Sensing Centre, Indian Space Research Organization, Department of Space, Govt. of India during 2003 for Wastelands Atlas of India 2005, 28 categories of wastelands were identified which have been now brought down to 23 categories in the wasteland classification scheme followed in 2006 for the preparation of Wastelands Atlas of India 2010.
Following thirteen categories of lands were classified under wastelands in India.
Gullied and/or ravenous land
Upland with or without scrub.
Water logged and marshy land.
Land affected by salinity/alkalinity-coastal /inland.
Shifting cultivation area.
Underutilized /degraded notified forest land.
Degraded pastures/grazing land.
Sands-deserted/coastal
Mining-industrial wastelands.
Barren rocky/stony waste/ sheet rocky area.
Steep sloping areas.
Snow covered land/or glacial area.
Degraded land under plantation crops
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Tillage is a piece of farm equipment used for the preparation of the soil by mechanical agitation of various types, such as digging, mixing, and overturning.
Examples of human-powered tilling techniques using hand tools include shoveling, gathering, mattock work, hoeing, and raking. The meaning of “Tillage” is the land that can be tilled.
There are various types of tillage implement like rotary tiller or rotavator, plough, harrow, cultivator, subsoiler and many more used in agriculture activity
SOWING AND PLANTING EQUIPMENT
Sowing involves placing seeds in soil at a proper depth and spacing. Common sowing methods include broadcasting, dibbling, drilling, and transplanting. Seed drills are machines that open furrows, place seeds at a controlled depth and rate, and cover them. Planters are used for larger seeds and perform similar functions. Components include a hopper, metering device, furrow opener, and covering mechanism. Planters can be calibrated to achieve the desired seeding rate. Factors like plate speed, cell size, and seed uniformity impact accuracy. Specialized planters exist for crops like potatoes and sugarcane. Proper equipment selection and operation help ensure efficient sowing and establishment of crops.
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Erosion control measures
This document discusses various erosion control measures for soil and water conservation. It describes agronomic measures like contour cropping, strip cropping, and mulching which control erosion by reducing rain drop impact and increasing infiltration. Mechanical measures like bunding and terracing are also discussed. Bunds are embankments constructed across slopes to slow water flow, while terraces convert steep slopes into level platforms separated by retaining walls to control runoff. Different types of bunding, terracing and their applications are explained in detail.
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Wastelands refer to degraded lands that are currently underutilized, and are deteriorating for lack of appropriate soil & water management or on account of natural causes.
Wastelands develop naturally or due to influence of environment, chemical and physical properties of the soil or management constraints.
The classification scheme adopted for monitoring of wasteland on 1:50,000 scale.
On the other hand, the Wasteland Development Board and some other institutions have considered all those categories of land as wastelands which are not under the use of forest pasture and cultivation.
From the utilization point of view, wastelands are classified as forest wasteland and non-forest wasteland, cultivated wasteland and non-cultivated wasteland .
In the wasteland classification scheme followed by Department of Land Resources, Ministry of Rural Development and National Remote Sensing Centre, Indian Space Research Organization, Department of Space, Govt. of India during 2003 for Wastelands Atlas of India 2005, 28 categories of wastelands were identified which have been now brought down to 23 categories in the wasteland classification scheme followed in 2006 for the preparation of Wastelands Atlas of India 2010.
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Gullied and/or ravenous land
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Water logged and marshy land.
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Shifting cultivation area.
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Tillage is a piece of farm equipment used for the preparation of the soil by mechanical agitation of various types, such as digging, mixing, and overturning.
Examples of human-powered tilling techniques using hand tools include shoveling, gathering, mattock work, hoeing, and raking. The meaning of “Tillage” is the land that can be tilled.
There are various types of tillage implement like rotary tiller or rotavator, plough, harrow, cultivator, subsoiler and many more used in agriculture activity
SOWING AND PLANTING EQUIPMENT
Sowing involves placing seeds in soil at a proper depth and spacing. Common sowing methods include broadcasting, dibbling, drilling, and transplanting. Seed drills are machines that open furrows, place seeds at a controlled depth and rate, and cover them. Planters are used for larger seeds and perform similar functions. Components include a hopper, metering device, furrow opener, and covering mechanism. Planters can be calibrated to achieve the desired seeding rate. Factors like plate speed, cell size, and seed uniformity impact accuracy. Specialized planters exist for crops like potatoes and sugarcane. Proper equipment selection and operation help ensure efficient sowing and establishment of crops.
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Training Manual on Soil Health
This document outlines a training manual on soil health for agricultural workers. It covers 6 days of training sessions on topics related to soil health, including definitions of soil and soil horizons, physical and chemical properties of soil, major soil types in India, and methods for improving soil health through physical, chemical, and biological measures. The document provides learning objectives, activities, and material requirements for each session. It also includes tips for facilitators on effective training techniques.
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This document discusses different plowing patterns that can be used when tilling agricultural fields. It describes the circuitous pattern, which begins at the field edge and works toward the center, throwing soil outward. It also outlines several headland patterns - one-way, gathering, and casting - which involve plowing runs parallel to each other with turns made on the edges. Additionally, it mentions continuous plowing, round and round plowing, and one-way plowing methods. The optimal pattern aims to minimize non-productive work and maximize efficient plowing runs while considering the field shape and plowing implements used.
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Soil conservation involves various management strategies to prevent soil erosion and maintain soil health. These include using cover crops, planting trees, terrace farming, no-till farming, contour plowing, crop rotation, intercropping, managing salinity, and promoting soil organisms. Governments have also implemented policies like the Conservation Reserve Program to encourage best practices. Proper soil conservation is important for sustaining nutrient cycles, water storage and filtration, and the overall basis of life on Earth.
soil conservation
Soil conservation involves various management strategies to prevent soil erosion and maintain soil health. These include using cover crops, planting trees, terrace farming, no-till farming, contour plowing, crop rotation, intercropping, managing salinity, and promoting soil organisms. Governments have also implemented policies like the Conservation Reserve Program to encourage best practices. Proper soil conservation is important for sustaining nutrient cycles, water storage, and the overall basis of life on Earth.
Soil Tilling and Drying
Soil tilling and drying are important processes in nursery pond operation. Tilling loosens and aerates compacted soil, mixes organic matter and nutrients, destroys weeds, and helps dry wet soil before seeding. Drying removes water from the pond bottom through evaporation, cracking the soil to mineralize it and eliminate fish predators. An ideal drying period is a minimum of two weeks to eradicate pests, hasten decomposition of organic matter to release nutrients, harvest all fish, and kill disease-causing organisms. The pond bottom should dry until cracks form or the soil can support weight without sinking more than 5 cm.
Fieldking sugarcane complete solution
The document describes various farm equipment used for soil preparation, planting, maintenance and harvesting of crops. It includes equipment for cutting crop residue, subsoiling, plowing, harrowing, fertilizer application, land leveling, weed and pest control spraying, ridge making, sugarcane loading and transport. The key equipment are a rotary slasher, subsoiler, plow, harrow, rotavator, fertilizer spreader, land leveler, boom sprayer, tyne ridger, sugarcane loader and tipping trailer.
Criteria 3 : Soil Conservation
The document discusses strategies for soil conservation during construction projects. It describes how topsoil can be affected by excavation, deforestation, erosion, and paving during construction. Solutions discussed include retaining vegetation cover, properly storing and replacing topsoil, using sediment control measures like silt fencing and basins, contouring land, and afforestation. Stormwater management strategies are also important to prevent soil runoff and erosion. Two case studies of buildings that implemented soil conservation strategies are briefly described.
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Plant crops in propagation lant propagation is the process of increasing the number of plants of a particular species or cultivar. There are two primary forms of plant propagation: sexual and asexual. In nature, propagation of plants most often involves sexual reproduction, or the production of viable seeds.
Improving soil and crop productivity in mountain agriculture
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Conservation Agriculture.pptx
This document defines conservation agriculture as a concept for sustainable crop production that aims to achieve profits and high yields while protecting the environment. It has three key principles: minimum soil disturbance, permanent soil cover, and crop diversification. Conservation agriculture was developed in response to issues like soil erosion and degradation. It involves practices like no-till farming, cover cropping, and crop rotation to improve soil health, biodiversity, and water retention while reducing costs, pollution, and soil disturbance compared to conventional agriculture. The document provides details on the history, principles, practices, impacts, and limitations of conservation agriculture.
title :farm machinery and tillage practices
the course is entitles as machinery and primary tillage; this course is mainly focus on the different tillage practices affecting the production capacity of the land and the management aspects for those problems.
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The document discusses various practices for soil moisture conservation in dryland farming areas. It describes 17 techniques including conservation tillage, mulching, crop rotation, green manuring, deep tillage, compartmental bunding, retention ditches, contour farming, stone lines, planting pits, and semi-circular bunds. These techniques aim to increase water infiltration and retention in soil by reducing runoff, impounding surface water, and modifying land configurations to harvest rainfall where it falls. Properly conserving soil moisture through these methods can help ensure sustainable agricultural production in dry regions with limited water availability.
Nursery Site Selection, Layout & Development.pptx
Provides basic knowledge in developing a tree nursery by looking at Nursery Site Selection, Layout & Development
Problamatic soil-.pptx
This document discusses different types of problem soils and their management. There are 4 main categories of problem soils - physical, chemical, biological, and nutritional. Some specific problem soil types discussed include slow permeable soils, soil surface crusting, subsoil hard pans, shallow soils, highly permeable soils, heavy clay soils, and fluffy paddy soils. Management strategies aim to improve soil structure and properties through measures like organic matter addition, drainage, tillage practices, and amendments.
What is meant by Minimum tillage
This document defines and discusses minimum tillage, which aims to minimize soil manipulation for crop production while reducing costs, labor needs, and soil damage. It involves keeping cultivation to only what is necessary for crop establishment and growth. The objectives of minimum tillage include conserving soil moisture and structure. Advantages include lower costs and energy usage as well as reduced erosion, increased organic carbon, and moisture conservation. Disadvantages can include reduced soil aeration, increased weeds and pests if not managed carefully. Different methods are described, such as ploughing and planting simultaneously or using special till planters. Implements used include subsoilers, chisel ploughs, harrows and special till planters.
Agronomical measures to control soil erosion
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3) Conservation tillage, which leaves crop residues on fields before and after planting to decrease erosion, runoff, and pollution.
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Presented by Jan Peters at GLF Peatlands 2024 - The Global Peatlands Assessment: Mapping, Policy, and ActionEpcon is One of the World's leading Manufacturing Companies.
Epcon is One of the World's leading Manufacturing Companies. With over 4000 installations worldwide, EPCON has been pioneering new techniques since 1977 that have become industry standards now. Founded in 1977, Epcon has grown from a one-man operation to a global leader in developing and manufacturing innovative air pollution control technology and industrial heating equipment.
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在线办理(lboro毕业证书)拉夫堡大学毕业证学历证书一模一样
学校原件一模一样【微信：741003700 】《(lboro毕业证书)拉夫堡大学毕业证学历证书》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
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◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
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Microbial characterisation and identification, and potability of River Kuywa ...
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Water contamination is one of the major causes of water borne diseases worldwide. In Kenya, approximately 43% of people lack access to potable water due to human contamination. River Kuywa water is currently experiencing contamination due to human activities. Its water is widely used for domestic, agricultural, industrial and recreational purposes. This study aimed at characterizing bacteria and fungi in river Kuywa water. Water samples were randomly collected from four sites of the river: site A (Matisi), site B (Ngwelo), site C (Nzoia water pump) and site D (Chalicha), during the dry season (January-March 2018) and wet season (April-July 2018) and were transported to Maseno University Microbiology and plant pathology laboratory for analysis. The characterization and identification of bacteria and fungi were carried out using standard microbiological techniques. Nine bacterial genera and three fungi were identified from Kuywa river water. Clostridium spp., Staphylococcus spp., Enterobacter spp., Streptococcus spp., E. coli, Klebsiella spp., Shigella spp., Proteus spp. and Salmonella spp. Fungi were Fusarium oxysporum, Aspergillus flavus complex and Penicillium species. Wet season recorded highest bacterial and fungal counts (6.61-7.66 and 3.83-6.75cfu/ml) respectively. The results indicated that the river Kuywa water is polluted and therefore unsafe for human consumption before treatment. It is therefore recommended that the communities to ensure that they boil water especially for drinking.
Kinetic studies on malachite green dye adsorption from aqueous solutions by A...
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Water polluted by dyestuffs compounds is a global threat to health and the environment; accordingly, we prepared a green novel sorbent chemical and Physical system from an algae, chitosan and chitosan nanoparticle and impregnated with algae with chitosan nanocomposite for the sorption of Malachite green dye from water. The algae with chitosan nanocomposite by a simple method and used as a recyclable and effective adsorbent for the removal of malachite green dye from aqueous solutions. Algae, chitosan, chitosan nanoparticle and algae with chitosan nanocomposite were characterized using different physicochemical methods. The functional groups and chemical compounds found in algae, chitosan, chitosan algae, chitosan nanoparticle, and chitosan nanoparticle with algae were identified using FTIR, SEM, and TGADTA/DTG techniques. The optimal adsorption conditions, different dosages, pH and Temperature the amount of algae with chitosan nanocomposite were determined. At optimized conditions and the batch equilibrium studies more than 99% of the dye was removed. The adsorption process data matched well kinetics showed that the reaction order for dye varied with pseudo-first order and pseudo-second order. Furthermore, the maximum adsorption capacity of the algae with chitosan nanocomposite toward malachite green dye reached as high as 15.5mg/g, respectively. Finally, multiple times reusing of algae with chitosan nanocomposite and removing dye from a real wastewater has made it a promising and attractive option for further practical applications.
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一比一原版(UMTC毕业证书)明尼苏达大学双城分校毕业证如何办理
原件一模一样【微信：6496090】【(UMTC毕业证书)明尼苏达大学双城分校毕业证成绩单学位证】【微信：6496090】（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
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◇申请留学生创业基金
留信网认证的作用:
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2:同时对留学生所学专业登记给予评定
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选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
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本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
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Improving the Management of Peatlands and the Capacities of Stakeholders in I...
Improving the Management of Peatlands and the Capacities of Stakeholders in I...
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Tillage.pptx
- 1. 1.1 TILLAGE OBJECTIVES: • To loosen the soil and develop a desirable soil structure for root development • To incorporate crop residues and improve soil texture and fertility. • To control weeds • To minimize soil erosion • To establish specific surface configuration for planting, irrigation, drainage and harvesting operations. • To incorporate and mix fertilizers, lime or pesticides in to the soil. • To break clods into small aggregates. • To obtain seedbed compaction.
- 2. Tillage classification: 1. Primary tillage • Initial major soil working operation designed to reduce soil strength. • Depth of penetration ranges from 15.2 - 90 cm depending on the implement used. • Implements used include, mouldboard plough, disc plough, ripper, bedders, heavy duty disc harrows.
- 3. Secondary tillage • Done to break clods created during primary tillage with the aim of: • Reducing soil particles to a size that will allow proper firming of the soil to establish good soil-seed contact. • Maintaining enough soil porosity, drainage of excess water, soil aeration, and inhibit weed growth. • Depth of penetration ranges from 5 – 15 cm depending in implement used. • Implements used include cultivators, light disc harrows, rollers and rotavators.
- 4. TYPES OF TILLAGE SYSTEMS 1. Conventional Tillage • Many implements are used before planting can be done. • This may involve ripping, ploughing, discing rolling then plant. • The system produces the best seed bed but is very expensive.
- 5. 2. Minimum tillage • The objective is to reduce mechanical energy and minimize the number of trips over the field and only perform those operations that optimize crop growth and development.
- 6. 3. Conservation tillage • Objective is to reduce wind and soil erosion and conserve water by encouraging water infiltration and reducing runoff. • A number of conservation tillage systems are available but all aim at reducing mechanical seedbed preparation and only seed placement zone is tilled. • All conservation farming systems aim not more than 25% soil disturbance and above 30% soil surface mulch.