This document discusses agrichemicals and weed control. It defines agrichemicals as any chemicals used in agriculture, including fuels, solvents, pesticides, herbicides, fungicides, and fertilizers. It distinguishes between different types of pesticides such as herbicides, fungicides, and insecticides. Weeds are defined as any unwanted plant, and are categorized as noxious, agricultural, or environmental weeds. Weeds compete with crops for resources like water, light, and nutrients. They persist due to rapid growth, large seed production, dormant seeds, dispersal abilities, and lack of natural predators. Integrated weed management and integrated pest management use mechanical, chemical, and biological control methods.
An integrated weed management approach to land management combines the use of complementary weed control methods such as grazing, herbicide application, land fallowing, and biological control.
An integrated weed management approach to land management combines the use of complementary weed control methods such as grazing, herbicide application, land fallowing, and biological control.
Weed Management system is an environmentally sound system of farming using all available knowledge and tools to produce crops free of economically damaging, competitive vegetation.
Weed Management system is an environmentally sound system of farming using all available knowledge and tools to produce crops free of economically damaging, competitive vegetation.
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For more information, Please see websites below:
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http://scribd.com/doc/239851214
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Mulching and Weed Control
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For more information, Please see websites below:
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Organic Edible Schoolyards & Gardening with Children
http://scribd.com/doc/239851214
`
Double Food Production from your School Garden with Organic Tech
http://scribd.com/doc/239851079
`
Free School Gardening Art Posters
http://scribd.com/doc/239851159`
`
Increase Food Production with Companion Planting in your School Garden
http://scribd.com/doc/239851159
`
Healthy Foods Dramatically Improves Student Academic Success
http://scribd.com/doc/239851348
`
City Chickens for your Organic School Garden
http://scribd.com/doc/239850440
`
Simple Square Foot Gardening for Schools - Teacher Guide
http://scribd.com/doc/239851110
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Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
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2. What are Agrichemicals?
Any chemical that is used in the Agricultural industry
Fuels
Solvents - e.g. paint remover
Pesticides
Herbicides
Fungicides
Fertilisers
Veterinary chemicals- e.g. drenches, vaccines,
3. What is the difference between the
different chemicals?
Chemical
Pesticides
Herbicides
Fungicides
Fertilisers
Insecticide
Definition
A chemical that destroys fungus
A substance that is toxic to plants
and is used to destroy unwanted
vegetation.
A substance used for destroying
insects or other organisms harmful to
cultivated plants or to animals
A substance used for killing insects
any substance such as manure or a
mixture of nitrates used to make soil
more fertile.
4. Weeds?
A weed is any unwanted plant
There are three main weed categories
Noxious Weeds- identified as a threat to a district or
region. Government legislation required their control
Agricultural weeds- plant species that reduce quantity &
quality of agricultural production to increase production
costs.
Posion livestock- St Johns Wort, Cape Tulip
Harbour vermin- blackberry
Damage wool/hides- Noogoora Burr, Thistle
Reduce crop growth/harvest- skelton weed
Environmental weeds- plant species that invade natural
environment areas, and are not a native to that
area.
5. What do weeds do?
Compete with other plants
Water
Light
Nutrients
Carbon dioxide
Oxygen
Pollinators
Physical space
If water & nutrients are in abundant supply light is the
resource that weeds compete for as weeds have the ability to
grow quickly and shade out useful plants.
6. Why do Weeds Thrive & persist?
Germinate & grow in a range of environmental
conditions
Rapid seedling & vegetation growth
Produce large numbers of seeds over long period
Produce seeds which lay dormant in the soil for a
number of years
Able to disperse seeds over long distances
Lack of natural predators or diseases
Unpalatable or toxic to grazing animals
7. How do you Control them?
IWM
Integrated weed management
IPM
Integrated Pest management
This is a management plan that considers a NUMBER of
control options
8. Ways to control Weeds
There are Three categories that controls can come under
Mechanical
Chemical
Biological
