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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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 | India |
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 | Indonesia, Malaysia |
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 | Malaysia |
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 | Mexico |
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 | IPNI-28 | Global Maize Project in Mexico: Celaya, Guanajuato |  |
| IPNI-29 | Global Maize Project in Mexico: Toluca, México |  |
 | MEXICO-01 | Phosphate fertilizer placement and uptake by crops with contrasting root systems |  |
| MEXICO-01B | Wheat and potato root system characteristics and crop fertilizer requirements |  |
 | MEXICO-02 | Plant mineral nutrition status and best fertilizer practices for vegetable crops in the Queretaro valley |  |
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