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 | nutrient removal |
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| oats |
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| oilseeds |
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| Australia & New Zealand |
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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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| Northcentral China |
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| Northeast India & Bangladesh |
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| Northern Latin America |
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 | South Zone India |
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| SZ INDIA-17B | Nutrition and performance of crops in a hybrid rice-legume cropping system under high levels of nitrogen, phosphorus and potassium applications in Andhra Pradesh | |
| SZ INDIA-26 | Establishing critical levels of phosphorus and potassium levels in sweet potato | |
| SZ INDIA-29 | Phosphorus sorption behavior in selected soil series of Southern Karnataka and response to maize to graded levels of phosphorus | |
| SZ INDIA-39 | Characterization of phosphorus in selected soil series of Karnataka and response of rice to applied phosphorus | |
| SZ INDIA-42 | Nutrient Management in Coconut-based Banana Intercropping Systems in the Homesteads of Kerala | |
| SZ INDIA-45 | Site-specific Nutrient Management for Maximization of Crop Yields in Northern Karnataka | |
| SZ INDIA-46 | Distribution of Phosphorus and Potassium in an Alfisol Under Long-term Finger Millet - Maize System and Response of Maize for Integrated Phosphorus and Potassium Management | |
| Southeast Asia |
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| Southeast U.S. |
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| Southern and Eastern Russia |
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