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 | soil testing |
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| ZIMBABWE-01 | Evaluating the Impact of Soil Fertility Heterogeneity on Maize Nutrient Requirement and Productivity in Smallholder Farming Systems | |
| [Replication or Save Conflict] | | |
 | Australia & New Zealand |
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| Eastern Europe & Central Asia |
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| 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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| wheat |
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| (Not Categorized) |
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