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Validation of Nutrient Management Practice at Farmer's Field Condition for Increasing Rice Yield During T Aus Season at BARIsal Region

M.I.M. Akhand
Agronomy Division, BRRI, Gazipur-1701

Md. Abu Bakar Siddique Sarker
Principal Scientific Officer
Agronomy Division, BRRI, Gazipur-1701

Abstract/ Executive Summary:

The tallest plant was observed in BRRI recommended fertilizer doses at the both location. The plant height varied significantly among the treatments. The grains panicle^-1 and spikelet sterility (%) did not vary significantly among the treatments at Amtoli, Barguna, but significant variation was found at Uzirpur, Barishal. The highest grain panicle^-1 was found in USG treated plot and minimum was found at control treated plots. The control treated plot showed the highest percentage of sterility whereas USG treated plot observed the lowest percentage of sterility. The variation of grain yield among the treatments was statistically significant, where 23% and 39% higher grain yield was found in USG treated plot over control plots, at Barguna and Barishal, respectively.

Keywords: USG, Recomended rate, Farmer's practice, T Aus, Rice

Location: Farmer's field at Amtoli, Barguna and Uzirpur, Barisal.

Start Date: 01-03-2013

End Date: 30-09-2013

Program Area: Crop-Soil-Water Management

Non-commodity: Validation

Objectives:

The experiment was conducted to determine the optimum level of fertilizer requirement for T Aus rice yield maximization at Barisal region.

Methodology:

The experiment was conducted with BRRI dhan27 at Amtoli, Barguna BRRI dhan55 at Uzirpur, Barisal. The treatments were; i) BRRI Recommended fertilizer doses, ii) Urea super granule treated plot iii) Farmer’s practice and iv) Control (No fertilizer). The experimental area was laid out in design RCB with three replications. Twenty three day old seedlings were transplanted at Amtoli, Barguna and twenty nine day old seedlings at Uzirpur, Barisal were transplanted at 20- × 20 cm spacing. The unit plot size was 5- × 4 m2. BRRI Recommended fertilizer doses were at Urea 168 kg ha-1, TSP 60 kg ha-1, MOP 45 kg ha-1, Gypsum 25 kg ha-1, ZnSO₄ 5 kg ha-1, where as the farmer’s applied Urea 125 kg ha-1, TSP 83kg ha-1, MOP 42kg ha-1. Urea super granule was applied in the field at 7 DAT. In control plot, no fertilizers were applied. The full dose of TSP, MOP, Gypsum and ZnSO4 were applied during final land preparation. Urea was top dressed at 20 & 40 DAT. Irrigation water, insect and weed control were done as and when necessary. Data on plant height, grains panicle -1, sterility (%) and grain yield were recorded at harvest.

Source of Information: Proceedings of BRRI Annual Internal Review for 2013-2014

Article Link (Online Journal):

Funding Source:

1.	Budget: 20000/-

Total Budget (Tk.) : 20000/-

Achievement/Findings:

USG treated plot may produce higher grain yield over BRRI Recommended fertilizer doses and Farmer’s practice at Barguna and Barishal, respectively.

Knowledge Management: Report/Proceedings