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 | fertilizer economics |
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  | Eastern Canada & Northeast U.S. |
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  | Great Plains U.S. |
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   | North and West Zone India |
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  | Northcentral China |
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  | Northern Great Plains |
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  | Northwest China |
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  | Southern India & Sri Lanka |
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  | Western U.S. |
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 | ID-08F | Development and Implementation of Fertilizer BMP Guides for Six Selected Major Cropping Systems |  |
 | fertilizer placement |
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 | flax |
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 | forages |
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 | grid sampling |
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 | iron |
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 | legumes |
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 | manganese |
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