Abstract
Assessment of Weed Flora Composition in Arable Fields of Bench Maji, Keffa and Sheka Zones, South West Ethiopia
Highlights
Weeds compete with cultivated food crops for limited resources such as water, nutrients and light [1,2,3]
Density of single or many weed species can change depending on factors such as seed purity, choice of crops, rotations, sowing time and techniques, soil management, harvest time, fertilizing, chemical and mechanical weed control methods during a long period [3,68]
Survey of weed flora composition, distribution and intensity is essential for a comprehensive understanding of the weed problem that poses negative impacts on crop production in a given area
Summary
Weeds compete with cultivated food crops for limited resources such as water, nutrients and light [1,2,3]. Survey of weed flora composition, distribution and intensity is essential for a comprehensive understanding of the weed problem that poses negative impacts on crop production in a given area. Such assessment of the nature of weed flora determines, to a large extent, the type of weed management measures to be adopted. Information on weed density, distribution, and species composition may help to predict yield losses and such information helps in deciding whether it is economical to control a specific weed problem [9,10]. This study was initiated to determine the weed flora, prevalence and distribution of weeds in the major crops of Bench Maji, Keffa and Sheka zones
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