Organic agriculture is agriculture is food-growing practice that uses no synthetic fertilizers, insecticides, fungicides, or herbicidesa farming technique that refuses to weed or try to stop pestsa food-growing practice that uses no insecticides, fungicides, or herbicidesa food-growing practice that uses no fertilizers.

a food-growing practice that uses no synthetic fertilizers, insecticides, fungicides, or herbicides

Explanation:

Organic agriculture is a process of crops of economic importance. It is an integrated farming system that ensures the sustainability, enhances the fertility of the soil, and that is biological diversity.

It prohibits the use of synthetic pesticide or insecticides, fungicides, synthetic fertilizers, growth hormones, antibiotics, and genetically modified organisms for the growth of crops. It utilizes the fertilizers of organic origin, like manure, compost, bone meal and also supports the crop rotation. It supports the biological pest control and fostering of insect predators.  

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