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 | manganese |
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| maximum economic yield (MEY) |
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| nitrogen |
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| nutrient management |
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| nuts |
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| oil palm |
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| phosphorus |
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| plantation crops |
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| Australia & New Zealand |
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| BRAZIL-04 | Reduction in potassium availability in soils under long-term soybean/wheat rotations | |
| BRAZIL-24 | Application rate and timing effects of the efficiency of potassium absorption and yield of corn grown under irrigation | |
| BRAZIL-24B | Effects of timing and method of topdressed nitrogen and potassium in corn | |
| BRAZIL-36 | GDT Mauá da Serra 2004/05: Effects of foliar K nitrate, KCl and gypsum on soybean rust incidence. | |
| BRAZIL-38 | EMBRAPA Soybean Center: Liming and Ca+Mg/K ratio in low CEC soil and effects on soybean yield | |
| BRAZIL-39 | EMBRAPA Soybean Center: K mobility in the soil profile corrected with gypsum and effects on disease incidence. | |
| BRAZIL-40 | UFV- Viçosa Federal University: Effect of potassium fertilization on Asian soybean rust | |
| BRAZIL-41 | Fundação MT: Effects of K doses with and without fungicides on Asian rust incidence in soybeans. | |
| BRAZIL-42 | Fundação Chapadão: Effects of K fertilization with and without fungicides on soybeans yield. | |
| BRAZIL-44 | Effects of potash doses on sugarcane plant crop fertilization (ESALQ) | |
| BRAZIL-45 | Calibration of N & K fertilization of sugarcane ratoons harvested with burning (IAC) | |
| BRAZIL-46 | Comparison of potassium and magnesium sources on coffee yield and fruit quality (IAC) | |
