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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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| Ecuador |
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| El Salvador |
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| Ghana, Indonesia, Malaysia |
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 | Guatemala |
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| GUATEMALA-01 | Critical soil and foliar levels for nitrogen, phosphorus and potassium in coffee grown in Guatemala | |
| GUATEMALA-01B | Developing integrated farming systems with improved soil fertility in eastern Guatemala | |
| GUATEMALA-02 | Evaluation of phosphorus availability in soils of volcanic ash origin (Andisols) with different phosphorus retention capability and its effect on sugarcane production | |
| GUATEMALA-03 | Response of coffee to different application dates for nitrogen and potassium in different Guatemalan soils | |
| GUATEMALA-04 | Sugarcane response to potassium fertilization in Guatemala | |
| GUATEMALA-05 | Phosphorus fertilization and soil phosphorus calibration studies in sugarcane soils of Guatemala | |
| GUATEMALA-06 | Site Specific Nutrient Management for Soft Corn Varieties in the Highlands of Guatemala | |
| Honduras |
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| Indonesia |
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| Laos |
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