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 | New Zealand |
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| Paraguay |
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| Philippines |
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| Philippines, Vietnam, India, Indonesia, Thailand, Malaysia, Myanmar |
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 | Russia |
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| IPNI-32 | Nutrient omission plots in spring wheat in Russia: Omsk Oblast and Republic of Bashkortostan | |
| IPNI-32 | Improvement of winter wheat mineral nutrition on calcareous common chernozems | |
| IPNI-41 | Improvement of maize and soybean mineral nutrition on a calcareous common chernozem | |
| RUSSIA-01 | Improvement of recommendations on potash fertilizer use and adjustment of currently used soil K test interpretation classes in intensive cropping systems | |
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| Syria |
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| Turkey |
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| Uruguay |
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| Vietnam |
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