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Performance Test Evaluation of Indigenous Weeding Equipment’s (niri) Used in Different Districts of Bangladesh

Md. Syedul Islam
Scientific Officer
Farm Machinery and Postharvest Technology Division, Bangladesh Rice Research Institute. Gazipur-1701

Abstract/ Executive Summary:

Four different types of Niris were tested for comparing their field performance and ease of operation. Under identical operating conditions (soil type and weed density) there was no significant difference in their field capacity, the average being 42 m2/hr and 26 m2/hr in a clay loam and sandy loam soil, respectively. The weed density was 840 weeds/m² in a clay loam soil, and 750 weeds/m² in a sandy loam soil. Considering the ease of operation Pasun (Bogra) was suitable in sandy soil. The cost of Niris did not vary significantly.

Keywords: Indigenous weeder, Weeding, Field capacity, Cost, Field performance

Location: BRRI HQ

Start Date: 01-07-1982

End Date: 30-06-1983

Program Area: Farm Mechanization

Non-commodity: Farm machineries, Performance

Objectives:

To find out the most suitable NIRI(S) among those used in Bangladesh

Methodology:

Twenty one “NIRIS” were collected from different districts of Bangladesh. On the basis of their design similarity, they four of them are widely used in field crops. The other category i.e. “KHURPIS” are not used for field crops. They are mostly used in gardens and hence were excluded. After preliminary test PASUN of Bogra, PASUN of Rajshahi, Kathalpata NIRI of Jessore and Cheni of Mymensingh (N1, N2, N3 and N4, respectively) were selected for their performance evaluation. Four operators (O1, O2, O3 and O4) and two different soil types (clay loam and sandy loam) were selected for the test. The design of the test was RCB with three replications.

Source of Information: Proceedings of BRRI Annual Internal Review for 1983

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The results of two different soil types indicated no significant difference in field capacities (sq.m of weeding/hr) among four Niris. The cst of PASUN of Bogra, PASUN of Rajshahi, Kathalpata NIRI of Jessore and Cheni of Mymensingh were Tk. 7.00, Tk. 8.00, Tk. 6.00 and Tk. 6.00, respectively which is not significantly different and within the buying capacity of the farmers.

Knowledge Management: Report/Proceedings