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Showing posts from July, 2018

Conservation agriculture and climate change, why the buzz?

There are sustained efforts by various public and non-governmental agencies to promote conservation agriculture (CA) as an effective strategy for environmental conservation generally and climate change adaptation specifically. The Food and Agriculture Organisation of the United Nations (FAO) regards conservation agriculture as a crop production method that strives to achieve profits, sustained production levels while concurrently conserving the environment. The technique involves minimal disturbance of the soil while planting and weeding farms. There are three rules that need to be followed for a practice to be regarded as CA. These are: do not turn the soil, keep the soil covered, and rotate crops. It combines several basic principles namely: reduction in tillage; retention of adequate levels of crop residues and soil surface cover; and use of crop rotation. Immediate climate change related benefits from the practice include reduced emission of carbon dioxide stored ben