Organic farming is a method of growing food crops with natural alternatives to chemical pesticides. how does organic farming control hazardous wastes?

This is probably one of the strongest arguments in favor of these products. Organic farming does not allow the growth or production of any genetically modified organisms.
 

Organic farming recognizes the importance of good soil health and the link between soil protection and healthy plants, as well as soil fertility and productivity. Crops are grown without the use of synthetic chemicals such as pesticides, herbicides, or fertilizers. Instead, natural techniques of soil enhancement are applied.

For example: The Thompson farm in Iowa uses the following pattern of crop rotation to achieve a healthy balance of nutrients for their soils. In the first year they plant corn, followed by oats and then use the land for 6 years as a pasture for livestock. The outcome is soil with a high content of organic matter and diverse soil fauna such as earthworms that aerate soils by making tunnels and distributing organic material to deeper soil layers. 

Needless to say that organic techniques also help restore degraded soils and reduce soil erosion.
 

The combination of healthy soils and natural farming techniques, makes the food produced through organic farming richer in minerals and micronutrients.

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