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1. Does Coal Char Reduce Ammonia Volatilization by Slowing Urea Hydrolysis in Soil?Ammonia volatilization due to urea hydrolysis begins immediately after N fertilizer applied in soil and continues up to two weeks. This process might adversely affect N availability in soil/ plant systems and reduce soil fertility and crop yields, as well as bring the negative impact in environment. Char, incomplete burning of coal combustion residue which contains up to 30% total C by weight, is hypothesized to reduce N losses from ammonia volatilization. A 21-day laboratory study was conducted... D. Panday, B. Maharjan |
2. 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 |