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  | Southern Latin America |
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  | Western Canada |
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 | education |
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 | extension |
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 | fertilizer economics |
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 | field variability |
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 | foliar fertilization |
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 | fruits |
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 | high yields |
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 | irrigation |
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 | magnesium |
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  | Eastern Canada & Northeast U.S. |
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  | North and West Zone India |
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  | Northern Latin America |
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 | COSTA RICA-07 | Evaluation of optimum potassium: calcium: magnesium ratio in banana yields |  |
| ECUADOR-03 | Fertilizer and Irrigation Management Effects on the Growth and Yield of Oil Palm in Ecuador |  |
 | PERU-02 | Effect of Potassium and Magnesium in Rice Grain Yields in Coastal Peru |  |