نتایج جستجو برای: chemical weed control

تعداد نتایج: 1673929  

Journal: :Proceedings of the New Zealand Weed Control Conference 1956

Journal: :Proceedings of the New Zealand Weed Control Conference 1963

Journal: :Proceedings of the New Zealand Weed Control Conference 1957

ژورنال: علوم آب و خاک 2008
سید شریفی, رئوف , صدقی, محمد , راعی, یعقوب ,

  A factorial experiment, based on RCB design, with three replications was conducted to evaluate the effects of rhizobial inoculation, urea, and weeds on soybean performance in the field. The factors under study consisted of inoculation and non-inoculation, three levels of 0, 150, and 300 kg/ha urea, and weed-control and weed-infestation. Results showed that weed-control, inoculation and urea a...

2008
D. Downey

Autonomous robotic weed control systems hold promise toward the automation of one of agriculture’s few remaining unmechanized and drudging tasks, hand weed control. Robotic technology may also provide a means of reducing agriculture’s current dependency on herbicides, improving its sustainability and reducing its environmental impact. This review describes the current status of the four core te...

2014
Stephen L. Young D. K. Giles S. L. Young

In cropping systems, the precise application of herbicides is important for efficacious weed control. By using plant recognition and precision application technology targeting individual plants, off-target movement can be eliminated and herbicide rates significantly reduced without sacrificing yields. Highly targeted applications of nonselective herbicides into a growing sensitive crop are nove...

2012
Khagendra Raj Baral

Despite weeds are a serious threat to promotion of organic farming, relatively less attention is given to research on weed management. This article explores a scope of integration of conservation agriculture for weed control and soil protection under organic farming. Limitation in the use of agro-chemicals under OF promotes intensive tillage for weed control. Mostly, tillage leads to depletion ...

ژورنال: علوم آب و خاک 2009

The recent years' problems of herbicide use have led a growing number of researchers to seek alternative methods that are less reliant on herbicides. This research was conducted to determine the effect of long-term crop rotation, mineral fertilizer and herbicide on the weed infestation and grain yield of winter rye during 2004 and 2005 at the long-term experimental site of the University of Tim...

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