نتایج جستجو برای: times hand weeding

تعداد نتایج: 587767  

Journal: :پژوهش های حبوبات ایران 0
نورعلی ساجدی سجاد حیدری محمد جواد مدنی

introduction bean is one of the most important legumes worldwide for direct human consumption and is a rich source of protein and carbohydrates. bean is weak to compete with weed because of the retard growth at the early stages. therefore, weed control at this time plays an important role to gain high priduction. yield crop depends on weed number, and size after germination. weed control depend...

Journal: :Communications in agricultural and applied biological sciences 2012
D Jaunard J P Bizoux A Monty F Henriet M De Proft F Vancutsem G Mahy B Bodson

Currently, economic, agronomic and environmental concerns lead to reduce the use of herbicides. Mechanical weeding can help to reach this objective. Dynamics and biology of wild chamomile (Matricaria chamomilla L.) populations were assessed as well as dynamic of winter wheat (Triticum aestivum L.) for four level of application of a weeder-harrow (0, 1, 2, 3 treatment(s)). After each treatment, ...

Journal: :East African journal of science, technology and innovation 2021

Legume cover crops have previously been evaluated for green manure, weed control and soil moisture conservation, this study includes further evaluation of biomass the legume fodder. Our research was to compare nutrients concentration at different times in treatment plots coffee plantation after establishment a desmodium crop with quantification resulting as fodder livestock. This case conducted...

Journal: :Agricultural Research & Technology: Open Access Journal 2018

Journal: :به زراعی کشاورزی 0
ابراهیم رئیس محمدی دانش آموخته کارشناسی ارشد رشته شناسایی و مبارزه با علف های هرز، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج حسن محمد علیزاده استاد گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج محمد علی باغستانی میبدی دانشیار بخش تحقیقات علف های هرز، مؤسسه تحقیقات گیاهپزشکی کشور، تهران مصطفی عرب استادیار گروه علوم باغبانی، پردیس ابوریحان، دانشگاه تهران، پاکدشت

a field experiment was conducted at college of aburaihan, university of tehran, iran in 2007 to evaluate the herbicides efficacy in a marigold nursery to control weeds including annual flowers. experimental design was a rcbd with total 12 treatments replicated four times. treatments were trifluralin preplant incorporated at two and three li/ha, trifluralin preplant non incorporated at two and t...

Journal: :International journal of agriculture, environment and food sciences 2021

Field trials were conducted during the 2019-2020 cropping season to assess efficacy of S-metolachlor and flumetsulam (triazolopyrimidine sulfonanilide)+S-metolachlor (chloro-acetanilide) pre-emergence herbicides in controlling weeds maize at Chisumbanje estate. The experiment was laid out as a randomised complete block design (RCBD) with three treatments replicated thrice. Treatments used inclu...

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