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 | East Zone India |
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| North and West Zone India |
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| Southeast Asia |
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| Southern India & Sri Lanka |
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| Western India |
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 | soil testing |
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| Australia & New Zealand |
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| Eastern Europe & Central Asia |
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| RUSSIA-01 | Improvement of recommendations on potash fertilizer use and adjustment of currently used soil K test interpretation classes in intensive cropping systems | |
| UKRAINE-01 | Evaluation of the potassium status of arable soils in Ukraine on the basis of modern soil diagnostic techniques and development of recommendations for the rational and efficient application of potassium fertilizers. | |
| Great Plains U.S. |
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| Southern and Eastern Russia |
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| Southern India & Sri Lanka |
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| Southern Latin America |
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| sorghum |
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| starter fertilization |
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| sulfur |
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| tillage systems |
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| vegetables |
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| water stress and efficiency |
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