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  | Southeast U.S. |
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 | AL-12F | Foliar-feeding of Potassium Nitrate, Potassium Chloride, Potassium Thiosulfate and Potassium Sulfate to Cotton |  |
| AL-14F | Response of Cotton to the Source and Timing of Nitrogen Fertilization on a Sandy Coastal Plain Soil |  |
 | AL-16F | Response of Cotton to N and K Fertilizers on Alabama Soils |  |
| AL-19 | Evaluation of Rates and Timings of Liquid Nitrogen Fertilizer to Optimize Wheat Yields With and Without Fall Tillage |  |
 | AL-20F | Ammonia Volatilization from Various N Fertilizer Materials Following Application to a Bermudagrass Sod |  |
| AR-18F | Influence of Nitrogen Fertilizer Source, Application Rate, and Timing on Grain Yields of Rice |  |
 | AR-25F | Nitrogen Source, Timing and Rate Management Studies with Rice |  |
| AR-29F | Cotton Response to Combinations of Nitrogen and Potassium |  |
 | AR-34F | Ammonia Volatilization from Various N Fertilizer Materials |  |
| FL-15F | Evaluation of Ammonium Sulfate and Ammonium Nitrate Fertilization on Beef Cattle Stocking Rate, Animal Performance, and Bahiagrass Forage Production and Quality |  |
 | FL-21F | Evaluation of Nitrogen Sources for Warm Season Grass Production |  |
| FL-24F | Response of Tomato to Ammonium Sulfate Nitrate |  |
 | FL-25F | Comparison of Nitrogen Uptake From Different Fertilizers by Citrus Trees |  |
| FL-29F | Bahiagrass Production and Nitrogen Leaching from Various Nitrogen Fertilizer Sources |  |
 | GA-15F | The Potential Interactions of N & B in Cotton |  |
| KY-10F | Evaluation of Sidedress Nitrogen Sources in Dark Tobacco |  |
 | KY-11F | Evaluation of Sidedress Nitrogen Sources in Burley Tobacco |  |
| KY-12F | Evaluation of Nitrogen Source and Rate for Established Bermudagrass |  |
 | LA-13F | Nitrogen Sources and Sulfur Fertilization of Ryegrass |  |
| LA-23 | Precise Midseason Nitrogen Rate Determination for Use Efficiency and Yield Optimization of Rice |  |
 | LA-24 | Validation of an On-Site, Active Sensor-Based Midseason Nitrogen Dicision Tool for Rice Production in the Mid-South |  |
| MO-33 | Crop Sensors for Variable-Rate N Application to Cotton in the Mid-South |  |
 | MS-16 | Precise Midseason Nitrogen Rate Determination for Use Efficiency and Yield Optimization of Rice |  |
| MS-17 | Nitrogen Uptake, Residual Effects, and N Translocation in Alamo Switchgrass |  |
 | NC-13F | The potential interactions of N and B in cotton |  |
| NC-14F | Variable rate nitrogen management for corn-wheat-soybean cropping systems |  |
 | NC-18F | Comparison of nitrogen sources for corn production in North Carolina |  |
| SC-12F | The Potential Interactions of N and B in Cotton |  |
 | SC-14 | Incorporating Soil Electric Conductivity in Developing Variable Nitrogen Application for Corn in the Southeastern U.S. |  |