ArticleHeliyon2025
Assessment of mechanical weeders in paddy fields: A study on operational effectiveness in Bangladesh.
Article in Heliyon, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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5 authors.
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Abstract
Rice is a vital crop for food security in Bangladesh, occupying 75 % of its agricultural land. Weed management is crucial for maintaining rice yields because weeds compete for nutrients, water, and space, leading to yield losses ranging from 15 % to 60 %. Traditional hand weeding is labor-intensive and costly, driving the need for efficient, sustainable alternatives. This study assessed the operational effectiveness of five weeding technologies: BRRI Power Weeder (PW), BRRI Weeder (BW), BRRI Conical Weeder (CW), BRRI Double Row Weeder (DW), and Manual Hand Weeding (HW). Field trials were conducted at the Bangladesh Rice Research Institute (BRRI) and farmers' fields in Jogitola, Gazipur, during the 2022 Boro season. A comprehensive assessment of five distinct weeding technologies for rice cultivation in Bangladesh, considering their operational performance under research and field conditions. Essential performance indicators were evaluated-field capacity, weeding efficiency, tiller damage, and fuel consumption. The results revealed that the BRRI Power Weeder had the highest field capacity (669 m
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