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OpenAGRICOLA

U.S. Department of Agriculture

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literature reviews4
temporal variation4
NPK fertilizers3
Oryza sativa3
agroforestry3
application rate3
biofuels3
carbon sequestration3
chemical constituents of plants3
climatic factors3
crop residue management3
energy use and consumption3
equations3
ethanol production3
fallow3
farming systems3
food security3
forage crops3
grasslands3
herbicides3

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