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 | nutrient removal |
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 | Eastern Canada & Northeast U.S. |
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| Northcentral U.S. |
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| Southeast Asia |
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| AR-22F | Time and Rate of Phosphorus Fertilizer Application on Rice Growth and Phosphorus Uptake | |
| MO-34 | Survey of Weed Nutrient Removal Potential in Missouri Corn and Soybean | |
| MS-17 | Nitrogen Uptake, Residual Effects, and N Translocation in Alamo Switchgrass | |
| Southern and Eastern Russia |
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| Southern India & Sri Lanka |
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| Western U.S. |
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| oats |
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| oilseeds |
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| plant analysis |
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| potassium |
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| profitability |
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| recommendations |
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| sandy soils |
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