Ecological farming system
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The document defines ecological farming as maximizing soil nutrients and profit potential while minimizing environmental degradation. It outlines six principles of ecological farming: feeding the soil biology with diverse cover crops, minimizing toxicity, introducing beneficial microbes, no-till or never-till practices, using soil amendments, and maintaining the system. The document emphasizes that soil carbon acts as a "keystone" for soil processes and properties in nutrient cycling.
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Vermicompost is the product or process of composting using various worms, usually red wigglers and other earthworms to create a heterogeneous mixture of decomposing vegetable or food waste and vermicast (worm castings or worm manure, is the fecal matter of an Earthworm).
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ISG worked with Blue Earth County to digitize and modernize their drainage data. They georeferenced existing plans, digitized drainage features, attributed data to the digitized features, and created a geodatabase to house the updated drainage data. This project consolidated Blue Earth County's drainage records, improved data accuracy, and established a process for ISG and the County to regularly update the drainage data going forward. The updated digital records will benefit Blue Earth County, ISG, other engineering firms, and the public.
September 1 - 1139 - Ainis Lagzdins
This document summarizes the results of Latvia's long-term Agricultural Runoff Monitoring programme, which aims to document nutrient concentrations and losses at different spatial and temporal scales. The monitoring covers groundwater, experimental drainage plots, subsurface drainage fields, small catchments, and small/medium rivers at 23 sites. Results show discharge and nutrient concentration data varying by location, scale of monitoring, and between years with flooding or drought. Nutrient levels differed between the Berze and Mellupite monitoring sites and across groundwater, drainage plots, and catchment scales. The programme provides long-term data on agricultural nonpoint source pollution across Latvia.
September 1 - 1116 - David Whetter
This document summarizes an applied research and demonstration project evaluating soil and water management practices in undulating soils in southwestern Manitoba. The project aims to reduce nitrogen, phosphorus and salt export while improving drought resiliency. Preliminary results show tile drainage is lowering water tables most in lower landscape positions, with soil moisture responding rapidly in drained areas. Tile flow rates increase with decreasing elevation. Water quality measurements also show higher salt concentrations in lower positions. Next steps include water quality treatment analysis, long-term monitoring, modeling, knowledge transfer and reporting.
September 1 - 1053 - Matt Helmers
This document summarizes a coordinated research network studying the impacts of 4R nutrient stewardship practices on crop yields, soil health, and nutrient losses across sites in North America. The network included 8 research sites across 6 states/provinces from 2017-2020. Treatments included different fertilizer application timings, placements, sources, and rates. Standardized data collection allowed comparisons across sites. Preliminary findings showed 4R and advanced 4R practices improved nutrient use efficiency and reduced nitrogen losses while maintaining crop yields. Nitrous oxide emissions and nitrate leaching losses decreased under improved nutrient management, though impacts varied between sites and years. Ongoing research aims to further quantify environmental benefits and optimize fertilizer practices.
September 1 - 1030 - Chandra Madramootoo
The document summarizes research on managing drainage water in the Holland Marsh region of Ontario to improve water quality and agricultural productivity. Key points:
- The Holland Marsh is an important vegetable growing region on organic soils, but drainage into Lake Simcoe contributes excess nutrients.
- A study evaluated controlling water tables with controlled drainage to reduce pumping and nutrient loads in drainage water. Modeling and monitoring found it effective for water conservation but more limited for nutrient reductions.
- Soil phosphorus pools, particularly aluminum and iron-bound phosphorus, were found to influence phosphorus levels in drainage water more than drainage management alone. Fertilizer applications exceeded crop needs, accumulating legacy phosphorus in soils over time.
August 31 - 1139 - Mitchell Watkins
This document summarizes a study comparing the effects of conventional ditch drainage (FD) and shallow furrow drainage with tile (SD) on crop yields and water quality in eastern North Carolina. Preliminary results found that SD led to a 68% reduction in drainage volume, 80% less nitrate export, and higher average soybean (+9.1%) and corn (+3.7%) yields compared to FD. SD also requires less land area than FD, has lower maintenance needs, and shows potential to improve water quality and agricultural productivity with more efficient drainage management. The research aims to further quantify these impacts of SD drainage design.
August 31 - 1116 - Shiv Prasher
1) DRAINMOD simulations were conducted for a field in Harrow, Ontario with an asymmetrical drainage system to determine the best approach to simulate drain outflow. 2) Four approaches using different drain spacings were tested: 3.8m, 5.06m, 7.6m, and 15.2m. 3) The mean absolute error and root mean square error for each approach were acceptable, indicating drain spacing had little impact on outflow simulation, though it did impact soil moisture parameters.
August 31 - 1053 - Ehsan Ghane
This document discusses how the choice of pipe material influences drain spacing and system cost. It finds that pipe with more rows of perforations, such as an 8-row regular perforated pipe, has a higher effective radius than a 4-row pipe, allowing for wider drain spacing. Experiments show that a sock-wrapped pipe has the highest drain inflow of the pipes tested, both with and without drain sedimentation present. The key takeaways are that the number of perforation rows and slot length most impact effective radius and drain flow, and a sock-wrapped pipe performs best in terms of drain inflow and spacing.
August 31 - 1030 - Joseph A. Bubcanec
This document summarizes research conducted by the Plastics Pipe Institute (PPI) on the installation of corrugated high-density polyethylene (HDPE) and polypropylene (PP) agricultural drainage pipe. It describes field testing of 30-inch HDPE dual-wall pipe installed at a test site in Ohio, including instrumentation to monitor strain and deflection. Finite element modeling was also used to analyze trench configurations. The research aims to update industry guidance documents to optimize pipe installation practices and trench designs. PPI members also work to increase the use of recycled HDPE and PP materials in pipe production.
September 1 - 130 - McBride
The document discusses Ohio's H2Ohio water quality initiative and its funding of conservation practices including two-stage ditches. It launched in 2019 with $172 million to reduce phosphorus runoff from farms using best management practices like wetlands, buffers, and two-stage ditches. A $5 million grant program was announced to fund two-stage ditch projects based on design guidelines. The document provides details on the grant application process, design requirements using regional curves, and goals to fund 20 projects for 30 miles of ditches at $30 per foot on average.
September 1 - 0216 - Jessica D'Ambrosio
This document provides information on edge-of-field conservation practices and a panel discussion on drainage ditches. It summarizes various practices for nutrient, soil, and sediment removal including vegetated buffers, grassed waterways, prairie strips, wetlands, bioreactors, and controlled drainage. Cost effectiveness data is given for each. The key elements of an edge-of-field roadmap are outlined as building the economic case, increasing implementation capacity, and elevating a culture of conservation. A sample conservation planning scenario shows identified sites for practices treating over 9,000 acres of land. The document concludes with information on connecting with The Nature Conservancy's Ohio agriculture programs.
September 1 - 0153 - Mike Pniewski
This document discusses the implementation and maintenance of two-stage ditches. Two-stage ditches incorporate a floodplain area to increase flow capacity while slowing velocities. They allow for channel vegetation, improve sediment settling, and provide water quality benefits. Challenges include obtaining land access, communication with landowners, permitting, and planting/erosion control. Case studies of implemented two-stage ditch projects in Lucas County demonstrate post-construction conditions and results, including improved drainage and yields for agriculture.
September 1 - 0130 - Johnathan Witter
This document summarizes research on conservation channel design and sediment capture in two-stage ditches. It finds that self-forming channels accumulated more sediment, carbon, nitrogen, and phosphorus over time compared to traditional ditches. Sediment analysis showed higher nutrient levels than surrounding soils. A case study site captured over 500 kg of phosphorus over 9 years that could be harvested and reused as fertilizer, offsetting nutrient costs for farmers. The document concludes sediment trapping in two-stage ditches can improve water quality while providing a locally sourced, cost-effective fertilizer resource.
August 31 - 1139 - Melisa Luymes
Farmers, drainage contractors, researchers, and conservation authorities collaborated on a drainage innovation project at Huronview in Clinton, Ontario. They worked together on the design, installation, and monitoring of new drainage practices to improve water quality and sustainability while maintaining agricultural productivity. A demonstration day was held in June 2019 to share results with stakeholders. The project aimed to foster cooperation across sectors and balance priorities around drainage, research, environmental protection, and social acceptance.
August 31 - 1116 - Hassam Moursi
This document summarizes a study on the impact of drainage water recycling (DWR) on nutrient and sediment losses from agricultural fields in eastern North Carolina. The study found that storing drainage water in an on-farm reservoir for supplemental irrigation (DWR) significantly reduced nitrogen, phosphorus, and sediment concentrations and loads compared to a non-irrigated control field. Specifically, DWR reduced total nitrogen concentration by 40% and load by 47%. It also reduced total phosphorus concentration by 21% and load by 30%. Sediment concentration was reduced by 86% and load by 87%. The hydraulic retention time in the reservoir was found to be the major factor influencing nutrient and sediment removal efficiency.
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Increasing urbanization, rural–urban migration, rising standards of living, and rapid development associated with population growth have resulted in increased solid waste generation by industrial, domestic and other activities in Nairobi City. It has been noted in other contexts too that increasing population, changing consumption patterns, economic development, changing income, urbanization and industrialization all contribute to the increased generation of waste.
With the increasing urban population in Kenya, which is estimated to be growing at a rate higher than that of the country’s general population, waste generation and management is already a major challenge. The industrialization and urbanization process in the country, dominated by one major city – Nairobi, which has around four times the population of the next largest urban centre (Mombasa) – has witnessed an exponential increase in the generation of solid waste. It is projected that by 2030, about 50 per cent of the Kenyan population will be urban.
Aim:
A healthy, safe, secure and sustainable solid waste management system fit for a world – class city.
Improve and protect the public health of Nairobi residents and visitors.
Ecological health, diversity and productivity and maximize resource recovery through the participatory approach.
Goals:
Build awareness and capacity for source separation as essential components of sustainable waste management.
Build new environmentally sound infrastructure and systems for safe disposal of residual waste and replacing current dumpsites which should be commissioned.
Current solid waste management situation:
The status.
Solid waste generation rate is at 2240 tones / day
collection efficiently is at about 50%.
Actors i.e. city authorities, CBO’s , private firms and self-disposal
Current SWM Situation in Nairobi City:
Solid waste generation – collection – dumping
Good Practices:
• Separation – recycling – marketing.
• Open dumpsite dandora dump site through public education on source separation of waste, of which the situation can be reversed.
• Nairobi is one of the C40 cities in this respect , various actors in the solid waste management space have adopted a variety of technologies to reduce short lived climate pollutants including source separation , recycling , marketing of the recycled products.
• Through the network, it should expect to benefit from expertise of the different actors in the network in terms of applicable technologies and practices in reducing the short-lived climate pollutants.
Good practices:
Despite the dismal collection of solid waste in Nairobi city, there are practices and activities of informal actors (CBOs, CBO-SACCOs and yard shop operators) and other formal industrial actors on solid waste collection, recycling and waste reduction.
Practices and activities of these actor groups are viewed as innovations with the potential to change the way solid waste is handled.
CHALLENGES:
• Resource Allocation.
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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.
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Ecological farming system
- 4. Six Principles of Ecological Farming 1. Feed the biology with diversity of cover crops 2. Minimize toxicity that kills biology 3. Introduce viable biologicals 4. No‐till…. better yet Never‐till 5. Soil amendments 6. Maintain the system
- 13. C Soil carbon is the “Keystone” for all soil physical, chemical and biological processes and properties. N P K Ca Mg S Zn Mn Cl Bo Management platform Carbon is a “keystone” in nutrient cycling! Dr. D.C. Reicosky, ARS, Morris, MN.