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 | Africa |
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 | Australia |
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 | Bangladesh, China, India, Indonesia, Myanmar, Philippines, Thailand, Vietnam |
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 | Brazil |
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 | Chile |
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 | Colombia |
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| COSTA RICA-05 | High value crop response to nitrogen and phosphorus application in ultisols of Costa Rica |  |
 | COSTA RICA-06 | Evaluation of nutrient use efficiency in banana by split fertilizer applications |  |
| COSTA RICA-07 | Evaluation of optimum potassium: calcium: magnesium ratio in banana yields |  |
 | COSTA RICA-08 | Evaluation of the nutrition dynamics and response of the new potato cultivars grown in volcanic soils in Costa Rica |  |
| COSTA RICA-09 | Assessing Soil Phosphorus Status under Different Agronomic Land Use |  |
 | COSTA RICA-10 | Effect of Potassium and Magnesium Rates on Coffee Yield and Cup Quality |  |
| COSTA RICA-11 | Evaluation of Nutrient Requirement of New Oil Palm Clones |  |
 | COSTA RICA-12 | Interaction of P and Zn Fertilization in Coffee Growing in Deficient Soils |  |
 | Ecuador |
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 | El Salvador |
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  | Ghana, Indonesia, Malaysia |
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 | Guatemala |
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 | India |
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 | Indonesia, Malaysia |
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