Results 241 to 250 of about 33,898 (263)
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Effect of Blood Urea Nitrogen Level on Fertility in Cattle

2014
Yüksek miktarda protein içeren rasyonlarla beslenen ineklerde kan üre nitrojen (BUN) konsantrasyonu artmakta, artan BUN konsantrasyonu ise fertiliteyi olumsuz olarak etkilemektedir. Sığırlarda normal BUN konsantrasyonu 12 ile 15 mg/dl arasındadır.
openaire   +1 more source

Micro-analysis of soil total and mineral nitrogen under different nitrogen fertilization levels

2012
Agricultural contamination by reactive nitrogen from nitrogenous fertilizers is a worldwide concern. In order to determine micro-spatial analysis of mineral (N-NO3- and N-NH4+) and total nitrogen (TN), surface soil samples (0-0.25 m) were collected during maize vegetation (June 2007) from a long-term experimental field in central Croatia (Popovaca ...
Perčin, Aleksandra   +3 more
openaire  

Response of soya bean to different nitrogen fertilization levels

Journal of Elementology, 2018
Wacław Jarecki   +3 more
openaire   +1 more source

Greenhouse gas emissions from nitrogen fertilizer use in China

Environmental Science and Policy, 2010
Fredrich Kahrl   +2 more
exaly  

Interactive effects of attapulgite and nitrogen fertilizers on the nitrogen fertilizer use efficiency and residual levels in saline soil

Plant and Soil
Hongqiang Li   +7 more
openaire   +1 more source

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