نتایج جستجو برای: vulpia
تعداد نتایج: 44 فیلتر نتایج به سال:
The species within the Lolium/Festuca grass complex have dispersed and colonized large areas of temperate global grasslands both naturally and by human intervention. The species within this grass complex represent some of the most important grass species both for amenity and agricultural use worldwide. There has been renewed interest by grass breeders in producing hybrid combinations between th...
Metasequoia glyptostroboides Hu et W.C. Cheng, known as a living fossil species, is planted in parks, gardens, and streets many temperate regions worldwide. Adequate branch pruning necessary to grow the plants these locations, generates large amount of waste. In this study, allelopathic activity pruned-branch waste was investigated search for beneficial applications The leaves M. obtained from ...
Living cover is an important management measure for orchards in China, and has certain influences on soil properties, microorganisms, the micro-ecological environment. However, there are few studies effects of living changes hazelnut orchards. In this study, we compared soils treatments with Vulpia myuros no treatments, analyzed observed microbial functions by using high-throughput ITS rDNA 16S...
Evaluation of the viable seeds in a soil, otherwise known as the seed pool or seed bank, is a crucial component of many weed dynamic and plant ecology studies. Seed bank estimation is used to predict the possibility of future weed infestations in rangelands as well as the nascent native plant diversity within them. However, there is no standardized method of reporting seed bank evaluation techn...
Field burning of residue is a traditional management tool for irrigated wheat (Triticum aestivum L.) production in the Inland Pacific Northwest of the United States (PNW) that can result in reduced air quality. A 6-year no-till field experiment to evaluate two complete cycles of a 3-year irrigated crop rotation of winter wheat–spring barley (Hordeum vulgare L.)–winter canola (Brassica napus L.)...
هدف این پژوهش ارزیابی اثر حاشیهای ناشی از قطعهقطعهشدن جنگل بر ترکیب و پراکنش گونههای گیاهی در جنگلهای بلوط کرمانشاه بود. سه قطعه جنگلی با جهت جنوبی از جنگلهای بلوط با شرایط مشابه از نظر شیب و ارتفاع از سطح دریا انتخاب و در هر قطعه در فاصلههای صفر، 25، 50 ،100 و150 متری بااستفاده از سه ترانسکت که در فاصلههای 200 متری از هم قرار گرفتند (درمجموع 45 نقطه) اقدام به نمونهبرداری از پوشش گیاهی...
This research compared effects of the weed control practice, soil cultivation, and the conventional practice, glyphosate application on weed seedbank, in a vineyard system. The experiment was conducted in a commercial wine-grape vineyard in the Napa Valley of northern California from 2003 to 2005. The annual treatments were ‘‘winter–spring glyphosate,’’ ‘‘spring cultivation,’’ ‘‘fall–spring cul...
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