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1. Soil Phosphorus Fractions After Long-term Fertilizer Placement in Different Kansas SoilsPhosphorus fertilizer placement can affect the long-term dynamics and forms of P, and the overall soil P pools. These changes can vary by soil type, and affect P uptake and use efficiency by crops. The objective of this study was to evaluate the changes in the labile P fractions in three Kansas soil under P fertilizer placements (broadcast versus deep band) after 10 years of crop rotation. Three field studies were conducted for 10 years from 2006 to 2015 in three different soils... M. Arruda, D. Ruiz diaz |
2. Conservation Management and Nitrogen Fertilization to Enhance Soil Chemical and Biological PropertiesCover crops and no-tillage are increasing in use across Texas. On the Southern High Plains (SHP) these practices are important mitigators of wind erosion and are suggested to increase soil health and other positive soil attributes. This study aimed to monitor and evaluate the soil chemical and biological changes that occur shortly after implementing conservation practices and nitrogen management strategies on the SHP. It was determined that in the short term some soil chemical and biological... M. Mcdonald, P. Delaune, T. Gentry, K. Lewis |
3. Soil Health Comparison in Organic and Conventional Cotton-Peanut Rotations in the Texas Plains RegionOrganic farming has been increasingly adopted in the Texas High Plains (THP), but restrictions on synthetic fertilizer use may be problematic if a system cannot mineralize sufficient nutrients from organic matter breakdown to meet crop needs. Cover crops are a tool utilized by both organic and conventional producers for nutrient management, weed control and soil conservation. A one-year study was conducted in organic peanuts in Lubbock and Vernon, TX, to assess the ability of cover crops... N. Boogades, K. Lewis, T. Gentry, P. Delaune, L.M. Ellman-stortz |