2.Nutrient Requirements of Major Crops
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|
Element
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Demand is high
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Demand is medium
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Demand is low
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N
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· Sugarcane, rice, wheat, corn, sorghum, cotton, tea, mulberry
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· Peanuts, soybeans, lupines, etc
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|
P
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· Legumes and legumes green manure, rape, sugar cane, sugar beet, cotton, etc
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Corn, sesame, etc
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Rice, etc
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|
K
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Rape, soybean, sesame, potato, sweet potato, cotton, hemp, tobacco, tea, mulberry and so on
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Corn, etc
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· Rice, wheat, sugar cane, etc
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|
Ca
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· Peanut, red clover, alfalfa, forage beet, etc
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|
· Barley, wheat, rice, oats, corn, millet, etc
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|
Mg
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· Peanuts, sesame, millet, cotton, beets, tobacco, etc
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· Rice, wheat, corn, sorghum, buckwheat and so on
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|
S
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Rape, soybean, peanut, alfalfa, red clover, forage beet, tobacco, etc
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· Rice, wheat, corn, sorghum, millet, buckwheat, sugar cane and so on
|
|
B
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· Sunflower, beet, rape, alfalfa, etc
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· Cotton, peanuts, tobacco, sweet potato, etc
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· Rice, wheat, barley, corn, oats, buckwheat, etc
|
|
Mn
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· Wheat, sugar beets, tobacco, soybeans, etc
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Barley, corn, sorghum, etc
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· Cotton, rye, etc
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|
Cu
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· Wheat, sorghum, alfalfa, etc
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· Sugar beets, corn, etc
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Soybean, rape, etc
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|
Zn
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· Wheat, sorghum, alfalfa and other corn, sorghum, soybeans, broad beans
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· Cotton, rice, sugar beet, clover, purple clover, etc
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Wheat, barley, etc
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|
Mo
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· Cruciferous crops, legumes and legumes
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|
· Gramineous crops such as wheat, corn, etc
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|
Fe
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· Sorghum, corn, peanuts, black beans and so on
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|
Rice etc
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