Farmers used crop rotation to keep the earth fertile.
Farmers used crop rotation to keep the earth fertile.
rotation of the crops.
NO CLUE ASK WIKIPEDIA OR YAHOO
defoliants are used to maximize yeild in the insecticides.defoliants are used to maximize yeild in the insecticides.
To keep the soil usable after spraying pesticides on it, crop rotation is used.
Any freshwater on Earth is usable
nothing
# crop rotation # solar soil disinfection # soil fumigation # adding compost # green manure
1% of water is usable in this case .Since only 3% of water is usable as fresh water, 2% is unavailable in frozen form leaving approximately 1% of the earth's water usable.
No.
Cotton plants require masive amounts of nutrients and they suck all the nutrients from the soil, what has been done to keep the soil useful is cotton farmers have begun crop rotating.