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| WA-09F | Influence of Tillage and Phosphorus Rate in Placement on Corn and Bean Yields |  |
 | WA-14 | Root Responses to Fertilizer Placement and Source |  |
 | 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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  | Southeast China |
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  | Southwest China |
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 | manganese |
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 | maximum economic yield (MEY) |
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 | nitrogen |
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