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Plant Stand Establishment and Weeding Using Seeder and Mechanical Weeder on Wheat Yield

M.A.H.S. Jahan
SO
Agronomy Division, Gazipur

F. Ahmed
SO
Agronomy Division, Gazipur

Abstract/ Executive Summary:

Field experiments were conducted at Joydebpur and Rajbari (Dinajpur) during season of 2001-2002 to find out the efficiency of seeder and weeder for wheat as conspared to existing system. Eight treatments (1) Normal seeding by hand @ 120 kg seeds/ha + one hand weeding (HW) at 25 DAE, (2) Using BARI seder @ 80 kg seeds/ha + 1 HW at 25 DAE, (3) Normal seeding by hand @ 120 kg seeds/ha + using BARI seeder at 25 DAE, (4) Using BARI seeder by hand @ 80 kg seeds/ha + BARI weeder at 25 DAE, (5) Normal seeding by hand @ 120 kg seeds/ha + 1 HW at 25 DAE, (6) Using BARI seeder @ 80 kg seeds/ha + 1 HW at 25 DAE + BARI weeder, (7) Bed planting + BARI seeder @ 80 kg seeds/ha + BARI weeder at 25 DAE T₈= Bed planting +BARI Seeder @ 80 kg Seed/ha + HW at 25 DAE were studied in this experiment. The crop was fertilized @ 200 kg N, 60 kg P2O5 and 40 kg K2O/ha. Seeds of wheat (var. Khanchan) were sown on December 4, at Joydebpur and November 25, 2000 at Rajbari, respectively. Three irrigation was given at CRI, MT and grain filling stages. The crop was harvest on March 27, 2002. At Joydebpur, BARI seeder and BARI weeder with bed planter showed the highest grain yield among the treatment. Seeding by hand also gave higher yield than BARI seeder. At Rajbari, bed planter plus BARI seeder with one hand weeding at 25 DAE gave the highest grain yield followed by T7 treatment. The result revealed that bed planting with hand weeding and BARI weeder performed better in respect of wheat yield in both locations.

Keywords: Plant stand, Weeding, Seeder, Mechanical weeder, Wheat

Location: Joydebpur and Rajbari, Dinajpur

Start Date: 15-11-2001

End Date: 27-03-2002

Program Area: Farm Mechanization

Commodity: Wheat

Objectives:

To find out the efficiency of seeder and weeder as compared to existing system.

Methodology:

An experiment was conducted at Joydebpur, Gazipur, during rabi season 2001-2002. The experiment was laidout in RCBD design with three replications. The unit plots size 5m x 5m. Kanchan variety was used. fertilizer was applied @ 100-60-40 NPK kg/ha.T₁= Normal Seedling by hand @ 120 kg Seed/ha +1HW at 25 DAF, T₂= Using BARI Seeder @ 80 kg Seed/ha +1 HW at 25 DAE, T₃= Normal Seedling by hand @ 120 kg Seed/ha +using BARI seeder at 25 DAE, T₄= Using BARI Seeder by hand @ 80 kg Seed/ha + at 25 DAE, T₅= Normal Seedling by hand @ 120 kg Seed/ha +HW at 25 DAE, T₆= Using BARI Seeder @ 80 kg Seed/ha +1 HW at 25 DAE + BARI weeder,T₇=Bed planting +BARI Seeder @ 80 kg Seed/ha + BARI weeder 25 DAE, T₈=Bed planting +BARI Seeder @ 80 kg Seed/ha + HW at 25 DAE, The experiment was setup on 4th December 2001.

Source of Information: Annual Report, Agronomy Division 2001-2002

Article Link (Online Journal):

Funding Source:

1. Asian Development Bank

Budget: 10,000/-

Total Budget (Tk.) : 10,000/-

Achievement/Findings:

At Joydebpur, BARI seeder and BARI weeder with bed planter showed the highest grain yield among the treatment. At Rajbari, bed planter plus BARI seeder with one hand weeding at 25 DAE gave the highest grain yield followed by T7 treatment. The result revealed that bed planting with hand weeding and BARI weeder performed better in respect of wheat yield in both locations.

Knowledge Management: Report/Proceedings