نتایج جستجو برای: double cropping

تعداد نتایج: 250287  

Journal: :Agronomy 2023

There are often negative side-effects associated with the traditional (silage) maize cropping system related to unprotected soil surface. Reducing disturbance could enhance sustainability. Yet, increased weed pressure and decreased nitrogen availability, particularly in organic agriculture, may limit implementation of alternative management methods. Therefore, a field experiment was conducted a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1388

چکیده ندارد.

1999
T. Aslam S. Saggar

Effects of land-use management on agricultural sustainability and greenhouse gas emissions are major issues for researchers, regional councils and farmers in New Zealand. This study was undertaken to investigate the environmental impact of land-use management on field-CO2 emissions in Ohakea silt loam soil (Typic andoaqualf) that had been converted from permanent pasture to forage cropping for ...

2012
Li Quanqi Chen Yuhai Zhou Xunbo Yu Songlie Guo Changcheng

In north China, double cropping of winter wheat and summer maize is a widely adopted agricultural practice, and irrigation is required to obtain a high yield from winter wheat, which results in rapid aquifer depletion. In this experiment conducted in 2001-2002, 2002-2003, and 2004-2005, we studied the effects of irrigation regimes during specific winter wheat growing stage with winter wheat and...

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