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| Filter results3 paper(s) found. |
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1. Drought and Nitrogen Stress Effects on Maize Canopy TemperatureWater scarcity is a major threat to the sustainability of irrigated agriculture. Management practices, such as limited irrigation, that seek to maximize the productivity of a limited water supply are critical. Remote sensing of crop canopy temperature is a useful tool for assessing crop water status and for more precise irrigation management. However, there is potential that nutrient deficiencies could compound the interpretation of water status from leaf temperature by altering leaf color and... A. Carroll, C. Lindsey, J. Baker, B. Hopkins, N. Hansen |
2. Opportunities and Challenges: Using Soil Health Indicators to Guide On-farm ManagementThe USDA Natural Resources Conservation Service (NRCS) was founded in 1935 as the nation grappled with drastic depletion of soil resources in the Dust Bowl era. Initially called the Soil Conservation Service, the NRCS is a non-regulatory federal agency that offers technical and financial assistance to support conservation on private working lands. In August 2012, the agency rededicated itself to its roots in soil conservation by launching a Soil Health Initiative. ... K. Lowell |
3. Using Calcium Hydroxide for Lime Incubation Studies and Moisture Effects on LimingPlant health and productivity are negatively affected by soil acidity. Soil physical properties such as soil texture, soil organic matter, and nutrient content help soils resist changes in their acidity (buffering capacity). Soils have different buffering capacities; agricultural producers need to know how responsive a soil is to lime and how much lime is required to modify a soil to a certain pH (lime requirement). One method to evaluate soil liming requirements and buffering capacity is to add... C. Collins, E. Loera, R. Reid, J. Spackman |