نتایج جستجو برای: farm efficiency

تعداد نتایج: 423259  

Journal: :Journal of the Northeastern Agricultural Economics Council 1982

1997
Marc A. Johnson Carl Reed Fred Worman

This bulletin summarizes nearly 10 years of research related to wheat stored on farms and in elevators in Kansas. It describes on-farm equipment and pest control practices and typical storage conditions that affect grain quality. The cost-effectiveness of aeration, grain protectants, and fumigation was evaluated. Grain cooling by aeration was the most effective insect-control technique and had ...

2013
Rui-yang Zhang Ilkyu Yoon Wei-yun Zhu Sheng-yong Mao

To evaluate lactation performance and changes in plasma and fecal lipopolysaccharide (LPS) concentrations in response to the supplementation of Saccharomyces cerevisiae fermentation product (SC), two dairy farms were selected. On each farm, 32 cows in early to mid lactation (21 to 140 DIM) were blocked by parity and days in milk (DIM), and randomly assigned to one of the two treatments within b...

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