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Sherman, J

Waskom, R

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Bauder, T

Waskom, R

Heerema, R

Sherman, J

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Oral

Year

2013

2015

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Filter results2 paper(s) found.
1. Using Irrigation Nitrogen Credits for Grain Crops Nitrogen contamination of surface and groundwater is not uncommon in many areas of the U.S. and Colorado is no exception. Nitrate-nitrogen (NO3-N) in groundwater is the most common form of plant available nitrogen (N), especially in shallow, alluvial aquifers in areas with intensive irrigated agriculture. When utilized as a primary irrigation water supply, this nitrate can contribute a significant portion of a crop’s N supply. Crediting water nitrate is part of Colorado N fertilizer recommendations... T. Bauder, R. Waskom Download paper
2. Manganese Nutrition and Photosynthesis of ‘Pawnee’ Pecan Southwestern pecan (Carya illinoinensis) orchard soils are alkaline and calcareous which negatively affects manganese (Mn) availability for root uptake. Mn is essential for photosynthesis because of its roles in the photosystem II complex and chlorophyll biosynthesis. Levels of leaf Mn for optimum photosynthesis (Pn) in pecan is not known. Our objective was to characterize the relationship of widely different leaf tissue Mn concentrations on Pn. The experiment was conducted from 2011 through 2012... R. Heerema, J. Sherman Download paper

Filter results2 paper(s) found.

1. Using Irrigation Nitrogen Credits for Grain Crops

Nitrogen contamination of surface and groundwater is not uncommon in many areas of the U.S. and Colorado is no exception. Nitrate-nitrogen (NO3-N) in groundwater is the most common form of plant available nitrogen (N), especially in shallow, alluvial aquifers in areas with intensive irrigated agriculture. When utilized as a primary irrigation water supply, this nitrate can contribute a significant portion of a crop’s N supply. Crediting water nitrate is part of Colorado N fertilizer recommendations... T. Bauder, R. Waskom

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2. Manganese Nutrition and Photosynthesis of ‘Pawnee’ Pecan

Southwestern pecan (Carya illinoinensis) orchard soils are alkaline and calcareous which negatively affects manganese (Mn) availability for root uptake. Mn is essential for photosynthesis because of its roles in the photosystem II complex and chlorophyll biosynthesis. Levels of leaf Mn for optimum photosynthesis (Pn) in pecan is not known. Our objective was to characterize the relationship of widely different leaf tissue Mn concentrations on Pn. The experiment was conducted from 2011 through 2012... R. Heerema, J. Sherman

Download paper