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1. Comparative Analysis of Resource Partitioning and Nutrient Uptake Efficiencies in Modern Cotton CultivarsUnderstanding the complex process of resource partitioning within the plant provides prospects to develop new crop improvement strategies for varying environmental factors and agronomic practices. In upland cotton, the partitioning of dry matter is as crucially important as that of macronutrients and micronutrients in improving productivity. This presentation highlights research works pertaining to the changes in macronutrient and micronutrient uptake and partitioning alongside the remarkable... I. Pabuayon, K. Lewis, G. Ritchie |
2. Evaluating the Existing Calibration Curve for Sensor-Based N Management in Grain SorghumNitrogen (N) response in grain sorghum is spatially and temporally variable, complicating estimation of optimum N rates and limiting the effectiveness of uniform fertilizer recommendations. This study evaluated within-field and year-to-year variability in N response using block-level response modeling and soil variability analysis. Field experiments were conducted in Stillwater, Oklahoma, during the 2024 and 2025 growing seasons using six N fertilizer rates (0,39, 79, 118, 157, and 196 kg N ha⁻¹).... D. Pokharel |