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Farmers used crop rotation to keep the earth fertile.
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∙ 9y ago
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What is done to keep the earth usable in cotton farming?
defoliants are used to maximize yeild in the insecticides.defoliants are used to maximize yeild in the insecticides.
What is the motion of space shuttle?
The shuttle is launched like a spacecraft, flies in space , earth orbit, but it lands like a plane on the runway, it is usable spacecraft.
Does gravity and inertia keep the earth orbit around the earth?
Yes. Clearly the Earth orbits around the Earth.
What does the slanting of the Earth show?
The slanting of the Earth is a sign that the Earth's axis is usually tilted. It has to keep that angle as the earth rotates.
What work is done in one complete orbit by the earth on a space station that orbits the earth at 375 km above the earth positive?
Earth has water
What was done keep the earth usable?
Farmers used crop rotation to keep the earth fertile.
What is done to keep the earth usable from planting cotton?
rotation of the crops.
What was done to keep the earth usable in cotton farming?
NO CLUE ASK WIKIPEDIA OR YAHOO
What is done to keep the earth usable in cotton farming?
defoliants are used to maximize yeild in the insecticides.defoliants are used to maximize yeild in the insecticides.
What can be done to keep the soil usable after using pesticides?
To keep the soil usable after spraying pesticides on it, crop rotation is used.
Of the total amount of water on earth what is usable?
Any freshwater on Earth is usable
What was done to keep the earth unsable?
nothing
How do you keep the earth usable after farming cotton?
# crop rotation # solar soil disinfection # soil fumigation # adding compost # green manure
What Of the total amount of available water on earth what percent is usable?
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.
Is work done to keep the earth revolving around the sun?
No.
How is cotton farming harmful to the soil and what was done to keep the soil usable?
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.
What percentage of earth's water is usable by humans?
2%
