Results 11 to 20 of about 3,450,809 (399)

Determination of nitrogen balance in agroecosystems

open access: yesMethodsX, 2017
Nitrogen balance in agroecosystems provides a quantitative framework of N inputs and outputs and retention in the soil that examines the sustainability of agricultural productivity and soil and environmental quality.
Upendra M. Sainju
doaj   +5 more sources

Optimizing Nitrogen Balance Is Associated with Better Outcomes in Neurocritically Ill Patients. [PDF]

open access: yesNutrients, 2020
Marked protein catabolism is common in critically ill patients. We hypothesized that optimal protein supplementation using nitrogen balance might be associated with better outcomes in the neurointensive care unit (NICU) patients.
Kim TJ   +7 more
europepmc   +2 more sources

The Nitrogen Balance of Laying Pullets

open access: hybridPoultry Science, 1937
Abstract RECENT experiments (Prentice, 1933) 1 concerning the protein requirements of laying pullets have demonstrated that under field conditions cereal rations supplemented by 0.5–1.0 percent salt and oyster shell ad libitum gave as good egg production as similar rations containing various levels of protein-rich supplements.
A. J. Macdonald
openalex   +3 more sources

Nitrogen balances [PDF]

open access: bronzeProceedings of the Nutrition Society, 1967
Edwin C. Owen
openalex   +4 more sources

NITROGEN BALANCE ON RICE DIET 1 [PDF]

open access: bronzeJournal of Clinical Investigation, 1950
Ernst Peschel, Ruth Lohmann Peschel
openalex   +4 more sources

Problems with nitrogen balance

open access: bronzeThe American Journal of Clinical Nutrition, 1977
George G. Graham
openalex   +4 more sources

The Influence of feeding mixed ligand complexes of zinc, manganese and cobalt on cow productivity, feed digestivity and nitrogene exchange in the final period of lactation [PDF]

open access: yesТехнологія виробництва і переробки продуктів тваринництва, 2021
The effectiveness of the use of mixed ligand complexes of Zinc, Manganese and Cobalt in the diets of high-yielding cows in the final period of lactation, and their effect on productivity, nutrients digestibility and nitrogen metabolism in the animals ...
Kropyvka Yu., Bomko V., Babenko S.
doaj   +1 more source

Optimizing soil nitrogen balance in a potato cropping system through legume intercropping

open access: yesNutrient Cycling in Agroecosystems, 2020
Negative nitrogen balance represents a major factor causing low potato yield in potato growing areas of Kenya while its excessive surplus poses a significant environmental concern. In order to synchronize this tradeoff, a field trial integrating potato (
Shadrack O. Nyawade   +5 more
semanticscholar   +1 more source

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