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 | environment |
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| fertigation |
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| fertilizer placement |
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| flax |
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| forages |
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| grid sampling |
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| East Zone India |
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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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| HENAN-05 | Research on nutrient limiting factors and balanced fertilization on high yield crops | |
| HENAN-NMS01 | Nutrient limiting factors and balanced fertilization on high yield crops in Henan | |
| SHANDONG-NMS01 | Nutrient management in agriculture in Shandong | |
| TIANJIN-NMBF | Nutrient management and balanced fertilization on vegetables in Tianjin | |
| TIANJIN-NMS01 | Vegetable soil nutrient management and rational fertilizer application for sustainable agriculture in Tianjin | |
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| Northeast China |
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| Northeast India & Bangladesh |
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| Northern Latin America |
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| Southeast Asia |
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