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 | crop quality |
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 | cropping systems |
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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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  | Eastern Canada & Northeast U.S. |
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  | North and West Zone India |
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  | Northcentral U.S. |
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  | Northwest China |
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  | Southeast U.S. |
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  | Western U.S. |
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 | AZ-04F | Response of Valencia Oranges to Potassium Fertilizer on a Sandy Soil |  |
| AZ-05F | Effects of Fluid Phosphorus Fertigation on Growth and Yield of Microsprinkler Irrigated Citrus in the Desert Southwest |  |
 | AZ-07F | Response of 'Lisbon' Lemons to Potassium Fertilizer on a Sandy Soil |  |