Major weeds of rice agro-ecosystems in Côte d’Ivoire
نویسندگان
چکیده
منابع مشابه
Exploiting Diversity to Manage Weeds in Agro-ecosystems
Weed management systems that rely less on chemical control are needed globally. Next to curative chemical weed control, there are other ways of tackling weed problems, such as (a) reduction of the weed seed bank in the soil, (b) reduced recruitment of weed seeds from the soil seed bank, and (c) strengthening the relative competitive ability of the crop. A number of case studies are presented in...
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Spatial and temporal variation of methane emissions in drained eutrophic peat agro-ecosystems: drainage ditches as emission hotspots A. P. Schrier-Uijl, E. M. Veenendaal, P. A. Leffelaar, J. C. van Huissteden, and F. Berendse Department of Nature Conservation and Plant Ecology, Wageningen University, Droevendaalse steeg 3a, 6708 PD Wageningen, The Netherlands Department of Plant Production Syst...
متن کاملManaging Weeds of Rice in Africa
In sub-Saharan Africa (SSA), weeds are estimated to account for rice yield losses of at least 2.2 million tonnes (Mt) per year (Rodenburg and Johnson, 2009). Combined with costs of weed control, the financial losses easily surpass half the cost of current regional rice imports. If not controlled, weeds cause yield losses in the range of 28–74% in transplanted lowland rice, 28–89% in direct-seed...
متن کاملEvaluation of Curvularia lunata as an Biological Control Agent in Major Weeds of Rice Paddies
Common water-plantain (Alisma plantago-aquatica L.), arrowhead (Sagitaria trifolia L.) and Echinochloa spp. (L.) are among the most important damaging weeds of rice paddies. In this research, Curvularia lunata (Waker) Boedijn was isolated from the said weeds. Then, its effect in different growth stages, i.e. seed, 2-3 leaf stage (seedling) and also in greenhouse conditions was examined in Alism...
متن کاملfaculty of psychology and social sciences group of anthropology master thesis in major of anthropology
چکیده پایان نامه (شامل خلاصه، اهداف، روش های اجرا و نتایج به دست آمده): کار جمع آوری گو یش های محلی در سال های اخیر شتاب امیدوار کننده ای به خود گرفته است. شاید از بارزترین اهداف جمع آوری گویش های مختلف، ثبت و ضبط آن، جلوگیری از نابودی و مهمتر از همه حل مشکلات دستوری زبان رسمی باشد. دقت در فرآیند های زبانی گویش های محلی نوع ارتباط مردم نواحی مختلف با پیرامون نشان را به ما نشان خواهد داد. از س...
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ژورنال
عنوان ژورنال: Agriculture and Biology Journal of North America
سال: 2011
ISSN: 2151-7525
DOI: 10.5251/abjna.2011.2.9.1317.1325