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| Filter results3 paper(s) found. |
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1. Soil Fertility for Functional FoodsIn the agri-food industry today, two trends cannot be ignored. First, the health conscious "baby boom" generation is demanding and will continue to demand foods that enhance their wellness. Crop producers must increasingly focus on the goal of producing crops that meet their needs. Second, the tools of molecular biology give agricultural scientists the opportunity to attain that goal. Biotechnology involves not only genetic engineering, but also includes tools that enhance the traditional selection... |
2. Phosphorus Placement For Corn, Soybeans, and WheatRoot-Soil Interface Transport Pathways Three mechanisms are commonly cited for how nutrients reach plant roots: 1) root interception, 2) mass flow, and 3) diffusion. Root interception occurs when a plant root, as it grows, comes into direct contact with a nutrient. Quantities of nutrients reaching plant roots in this manner are estimated to be proportional to the volume of soil occupied by roots (Barber et al., 1963). For instance, if roots occupy one percent of the soil volume, then the quantity... |
3. Recommendation Development Under 4R Nutrient StewardshipThe 4R Nutrient Stewardship concept defines the right source, rate, timing and placement of plant nutrients as those leadi ng to the economic, social and e nvironmental benefits desired by stakeholders. This implies roles for both science and stakeholder engagement . Scientific data on the linkages to outcomes needs to be communicat ed to stakeholders to ensure their valid participation and to build public confidence. Th e 4R Nutrient Stewardship concept helps to link science to practice and communicate... |