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| TX-41F | Response of Cotton to Potassium in the Texas Blacklands | |
| TX-45F | Potassium Effect on Grapefruit Carotenoids and Vitamin C | |
| TX-46F | Potassium Requirements for Narrow Row Cotton in the Texas Blacklands | |
| TX-47F | Effect of Potassium Fertilizers on Hybrid Bermudagrass Yields and Stand Decline | |
| TX-49F | Determination of the Effect(s) of Fall Fertilization of Bermudagrass with Potassium | |
| TX-51F | Foliar Applied Potassium to Fall and Spring Grown Muskmelon | |
| TX-52 | Using Supplemental Foliar Potassium Fertilization to Improve the Nutritional Quality and Stress Tolerance of Muskmelon | |
| TX-53 | Evaluation of KMag and KMag + P Compared to Muriate of Potash for Production of Tifton 85 Bermudagrass on Coastal Plain Soils | |
| TX-54 | Assessment of Potassium Fertilizer Management in Irrigated Cotton | |
 | North and West Zone India |
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| Northcentral China |
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| Northeast China |
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| Northeast India & Bangladesh |
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| Northern Great Plains |
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| Northwest China |
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| Pakistan |
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| SZ INDIA-17B | Nutrition and performance of crops in a hybrid rice-legume cropping system under high levels of nitrogen, phosphorus and potassium applications in Andhra Pradesh | |
| SZ INDIA-26 | Establishing critical levels of phosphorus and potassium levels in sweet potato | |
| SZ INDIA-27 | Maximizing the yield and quality of mulberry leaf with potassium | |
| SZ INDIA-42 | Nutrient Management in Coconut-based Banana Intercropping Systems in the Homesteads of Kerala | |
| SZ INDIA-43 | Balanced Fertilization for Maximum Economic Yields of Sugarcane in the Periyar – Vaigai Command Area of Tamil Nadu | |
| SZ INDIA-44 | On-farm Research on Potassium Fertilization in Rainfed Pulses | |
| SZ INDIA-45 | Site-specific Nutrient Management for Maximization of Crop Yields in Northern Karnataka | |
| SZ INDIA-46 | Distribution of Phosphorus and Potassium in an Alfisol Under Long-term Finger Millet - Maize System and Response of Maize for Integrated Phosphorus and Potassium Management | |
| Southeast Asia |
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