Results 51 to 60 of about 3,450,809 (399)

National and regional net nitrogen balances in Finland in 1990-2005 [PDF]

, 2007
Nitrogen (N) balance has been identified as a principal agri-environmental indicator. In addition to national N balances, calculation of N balances for different agricultural regions is also recommended.
Esala, Martti, Lemola, Riitta, Salo, Tapio   +2 more
core   +3 more sources

Nitrogen balance in soil under eucalyptus plantations

Revista Brasileira de Ciência do Solo, 2012
An understanding of the role of organic nitrogen (N) pools in the N supply of eucalyptus plantations is essential for the development of strategies that maximize the efficient use of N for this crop.
Patrícia Anjos Bittencourt Barreto, Antonio Carlos da Gama-Rodrigues, Emanuela Forestieri da Gama-Rodrigues, Nairam Félix de Barros   +3 more
doaj   +1 more source

Alternative procedure for determining lysine maintenance requirement in poultry

Revista Brasileira de Zootecnia, 2020
The objective with this study was to determine the lysine maintenance requirements (LMR) of male and female broilers as animal models. A total of 252 birds were used for nitrogen balance trials during three periods (I: 6-21, II: 22-37, and III: 38-53 ...
Juliano Cesar de Paula Dorigam, Edney Pereira da Silva, Nilva Kazue Sakomura, Nelson José Peruzzi, Michele Bernardino de Lima, João Batista Kochenborger Fernandes   +5 more
doaj   +1 more source

The effects of tannins-containing ground pine bark diet upon nutrient digestion, nitrogen balance, and mineral retention in meat goats

Journal of Animal Science and Biotechnology, 2015
BackgroundPine bark is a rich source of phytochemical compounds including tannins, phenolic acids, anthocyanins, and fatty acids. These phytochemicals have potential to significantly impact on animal health and animal production. The goal of this work is
B. Min, S. Solaiman, T. Terrill, Aina Ramsay, I. Mueller-Harvey   +4 more
semanticscholar   +1 more source

A nitrogen budget for Denmark; developments between 1990 and 2010, and prospects for the future

Environmental Research Letters, 2014
A nitrogen (N) budget for Denmark has been developed for the years 1990 to 2010, describing the inputs and outputs at the national scale and the internal flows between relevant sectors of the economy. Satisfactorily closing the N budgets for some sectors
N J Hutchings, O-K Nielsen, T Dalgaard, M H Mikkelsen, C D Børgesen, M Thomsen, T Ellermann, A L Højberg, L Mogensen, M Winther   +9 more
doaj   +1 more source

Nitrogen metabolism and microbial synthesis in sheep fed diets containing slow release urea to replace the conventional ure

Acta Scientiarum: Animal Sciences, 2014
This study aimed to evaluate the effects of adding slow release urea to replace conventional urea in diets for feedlot sheep on nitrogen metabolism and microbial protein synthesis.
Evanilton Moura Alves, Daniel Rodrigues Magalhães, Mazzilli Amaral Freitas, Edileusa de Jesus dos Santos, Mara Lúcia Albuquerque Pereira, Márcio dos Santos Pedreira   +5 more
doaj   +1 more source

Simulation Effect of Water and Nitrogen Transport under Wide Ridge and Furrow Irrigation in Winter Wheat Using HYDRUS-2D

Agronomy, 2023
An experiment was conducted to create a science-based program of irrigation and fertilizer application for two-year winter wheat under wide ridge and furrow irrigation in the Yellow River irrigation area.
Shunsheng Wang, Tengfei Liu, Jinyue Yang, Chuang Wu, Hao Zhang   +4 more
doaj   +1 more source

Intake, Growth and Carcass Traits of Steers Offered Grass Silage and Concentrates Based on Contrasting Cereal Grain Types Supplemented with Field Beans, Peas or Maize By-Products

Animals, 2023
The study objective was to determine intake and performance of beef cattle individually offered perennial ryegrass-dominant grass silage ad libitum supplemented with 4 kg dry matter daily of, rolled barley or maize meal-based concentrate rations ...
Rian Kennedy, Aidan P. Moloney, Edward G. O’Riordan, Alan K. Kelly, Mark McGee   +4 more
doaj   +1 more source

Effect of L-carnitine supplementation on growth performance, nutrient utilization, and nitrogen balance of broilers fed with animal fat

Veterinary World, 2015
Aim: This experiment was conducted to evaluate the effect of L-carnitine supplementation on growth performance, nutrient utilization and nitrogen balance in broilers fed with animal fat.
P. Murali, S. George, K. Ally, M. Dipu
semanticscholar   +1 more source

Apparent digestibility of diets with combinations of soybean hulls and coastcross (Cynodon sp.) hay offered to ram lambs Digestibilidade aparente de dietas com combinações de casca de soja e feno de "coastcross" (Cynodon sp.) oferecidas para cordeiros

Scientia Agricola, 2008
Soybean hulls (SH) are an alternative fiber source that may be used to maintain neutral detergent fiber (NDF) concentration while increasing the energy concentration of ruminant diets.
Rafael Canonenco de Araujo, Alexandre Vaz Pires, Ivanete Susin, Fumi Shibata Urano, Clayton Quirino Mendes, Gustavo Henrique Rodrigues, Irineu Umberto Packer   +6 more
doaj   +1 more source