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21-30 of 38 for the Category : Agriculture and the Subcategory : Agriculture - GeneralGroundwater
( Article Type: Explanation )
Groundwater is threatened by over-exploitation, when more is abstracted than is recharged – particularly by farmers as most groundwater (about 80%) is used by farmers for irrigation. Aquifers are also threatened by pollution, especially from underg
Read more about GroundwaterIntegrated Pest Control(IPC)
( Article Type: Explanation )
Integrated pest control is the modern approach to managing all kinds of pests, be they insects, plants, birds or animals. The theory is to use methods that control the pests, whilst minimising the possible damage to the environment.
Read more about Integrated Pest Control(IPC)Land Degradation
( Article Type: Overview )
The experts disagree on how to define land degradation and associated processes such as desertification, but as an issue it is not difficult to understand. Land degradation occurs when the economic and biological productivity of land is lost, primari
Read more about Land DegradationMethane
( Article Type: Explanation )
Methane is an odourless and colourless hydrocarbon gas produced either by natural or artificial anaerobic decomposition of organic material.
Read more about MethaneMonoculture
( Article Type: Explanation )
Monoculture describes the repeated growing of a single crop on a given piece of land over and over again.
Read more about MonocultureNatural Resources
( Article Type: Explanation )
‘Natural resources’ is the term used to describe the basic materials and resources that are produced through the earth’s own inherent natural processes and systems.
Read more about Natural ResourcesNitrogen
( Article Type: Explanation )
Nitrogen is a colourless, odourless gas that comprises 78% of the atmosphere. Nitrogen is cycled between the air and the soil in the nitrogen cycle, which includes a process known as nitrogen fixation.
Read more about NitrogenOrganic Certification
( Article Type: Opinion )
Organic certification in South Africa has been done primarily through formal certification by several certification agencies operating in the country.
Read more about Organic CertificationPesticide Treadmill
( Article Type: Explanation )
The pesticide treadmill is a term indicating a situation in which it becomes necessary for a farmer to continue using pesticides regularly because they have become an indispensable part of an agricultural cycle.
Read more about Pesticide TreadmillPesticides
( Article Type: Explanation )
Pesticides can be categorised as a diverse group of chemicals that kill insects.
Read more about Pesticides
