نتایج جستجو برای: integrating weeds control

تعداد نتایج: 1403801  

2015
Michael Ansong Catherine Pickering Paul Adam

Weeds are a major threat to biodiversity globally degrading natural areas of high conservation value. But what are our attitudes about weeds and their management including weeds in national parks? Do we know what a weed is? Do we consider weeds a problem? Do we support their management? Are we unintentionally spreading weeds in parks? To answer these questions, we surveyed visitors entering a l...

Journal: :پژوهش های زراعی ایران 0
مهدی غفاری گودرز احمدوند محمدرضا اردکانی نرگس کشاورز ایمان نادعلی

now a day winter cover crops planting has been attended to reduce herbicide application. an experiment was carried out at the research farm of agriculture faculty, bu- ali sina, university, in 2009. the experiment was a randomized complete block design with three replications. the trial included of five treatments consists of no cover crop, rye, winter oilseed rape, barley and triticale. the re...

2008
Jay G. Varshney

Aquatic weeds pose several problems in India. The canals of Chambal commanded area in Rajasthan and Madhya Pradesh and Bhakra-Nagal in Himachal Pradesh and Punjab have been greatly slowed by the aquatic weeds. Several irrigation and hydroelectric projects in the country like Tungabhadra project in Karnataka, Nagarjuna Sagar project in Andhra Pradesh and Kakki and Idikki reservoirs in Kerala are...

Journal: :Proceedings of the New Zealand National Weeds Conference 1948

Journal: :Proceedings of the New Zealand Weed and Pest Control Conference 1980

Journal: :Proceedings of the New Zealand Weed and Pest Control Conference 1985

Journal: :Proceedings of the New Zealand Weed Control Conference 1955

2017
Shereen S. Xavier Dawn M. Olson Alisa W. Coffin Timothy C. Strickland Jason M. Schmidt

Marginal agricultural land provides opportunities to diversify landscapes by producing biomass for biofuel, and through floral provisioning that enhances arthropod-mediated ecosystem service delivery. We examined the effects of local spatial context (adjacent to woodland or agriculture) and irrigation (irrigation or no irrigation) on wildflower bloom and visitation by arthropods in a biofeedsto...

Journal: :Proceedings of the New Zealand National Weeds Conference 1951

Journal: :تولید گیاهان زراعی 0

in order to study effects of competitive weeds (sinapis arvensis, hordeum spp., secale montanum and agrostemma githago) on morphological traits, yield and harvest index of winter rapeseed (brassica napus l.) cultivars a factorial experiment was conducted in islamic azad university of tabriz, during 2007-2008. experimental factors were weeds controlling times included weeding in rosette (5-7 lea...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید