نتایج جستجو برای: nutrient losses

تعداد نتایج: 130974  

2017
Samuel Royer-Tardif Sylvain Delagrange Philippe Nolet Brian J. Palik

As the use of forest harvesting residues for energy production gains popularity, debate continues regarding the long-term sustainability of whole tree harvesting (WTH). This practice removes nutrient-rich twigs that only account for a small fraction of harvest residues, emphasising the need to develop nutrient-efficient alternatives to WTH. This study assessed N, P, K, Ca, and Mg distributions ...

2006
D. J. Mulla A. S. Birr

Water quality impairments are widespread throughout the upper Mississippi River basin due in large part to agricultural production practices. Many agencies have worked with landowners to implement various agricultural best management practices (BMPs) to reduce nutrient and sediment losses to streams and rivers. However, it has been difficult to document the effectiveness of these practices at f...

2004
James L. Baker

Right now it is not clear how other cost and benefit factors such as production economics, sustainability and carbon sequestration, and grain quality will be taken into account in the development of the criteria. Because of current water use impairments, and the expectation that the criteria, when developed and implemented, will add to the list of impairments, there is an immediate and continui...

2012
V Jayanthi

Diarrhoea is acute when increased number of stools persists for less than 2 weeks. Although often mild, acute diarrhea can lead to severe dehydration as a result of large fluid and electrolyte losses. Macro and micro nutrient deficiency is rare. Management is with replacement of fluids and electrolytes (oral or parenteral) to prevent dehydration. Milk and dairy products is best avoided for 24 t...

2000
Jennifer E. Wubben David M. Albin Michelle R. Smiricky Vince M. Gabert

The digestibility of amino acids and other nutrients by the pig is an important measure of efficiency when evaluating swine diets or ingredients used in swine diets. Any method of feeding or use of a feed additive that significantly increases the ileal digestibility of amino acids could be used to increase the efficiency of amino acid use by the pig, and decrease waste and nutrient losses from ...

2018
Karen A. Cooper Tom E. Quested Helene Lanctuit Diane Zimmermann Namy Espinoza-Orias Anne Roulin

The UK currently has the most detailed, directly measured data for food wasted in the home. This includes information on the exact types of food wasted. These data allow calculation of the nutrients within that waste, as well as its environmental impact. The results progress the conversation beyond how much food is wasted or its energy content; it permits the implications for nutrition and sust...

Journal: :Journal of environmental quality 2002
D H Franklin J L Steiner M L Cabrera E L Usery

Innate distributions or variability of nutrient concentrations within the fluvial system must be better understood to establish nutrient guidelines that are applicable and to discern which areas or landscape positions within the watershed are more vulnerable to nutrient losses. This work was conducted to (1) determine the system-wide spatial distribution of N and P concentrations in biweekly st...

2010
Stefanie P. Rogers Penni D. Hicks Maria Hamzo Lauren E. Veit Steven A. Abrams

Substantial losses of nutrients may occur during tube (gavage) feeding of fortified human milk. Our objective was to compare the losses of key macronutrients and minerals based on method of fortification and gavage feeding method. We used clinically available gavage feeding systems and measured pre- and post-feeding (end-point) nutrient content of calcium (Ca), phosphorus (Phos), protein, and f...

Journal: :Environmental and Climate Technologies 2022

Abstract Water quality in any stream is affected by complex interactions between natural and anthropogenic factors a given catchment area. Agriculture has been identified as major contributor of nitrogen phosphorus inputs to surface waters the Baltic Sea region. Although decisions regarding agricultural management practices, e.g. crop rotation, tillage, fertilization, have direct impact on like...

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