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Effect of Duration Between Uprooting and Transplanting of Seedling and Fertilizer Management on the Yield Performance of Boro Rice Under Sri Method

M Z Hossain
Additional Agriculture Officer
DAE, Khamarbari, Farmgate, Dhaka

M A R Sarkarand
Professor
Department of Agronomy, Bangladesh Agricultural University, Mymensingh, Bangladesh

A K M M Islam
Assistant Professor
Department of Agronomy, Bangladesh Agricultural University, Mymensingh, Bangladesh

Abstract/ Executive Summary:

The experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh to find out the effect of seedling storing time between uprooting and transplanting and fertilizer management on yield of Boro rice (cv. BRRI dhan29) under SRI method. Four duration of storing seedlings after uprooting viz. (i) 30 minutes (SRI recommended), (ii) two hours, (iii) four hours and (iv) eight hours, and five fertilizer management practices viz. (i) BRRI fertilizer management (120-60-40-10-5 kg N, P₂O₅, K₂O, S, Zn ha^-1, respectively), (ii) cow dung @ t0 t ha^-1, iii, poultry manure @ 5 t ha^-1, iv) 50% of BRRI recornmended fertilizer + 50% of the cowdung (v) 50% BRRI recommended fertilizer + 50% of the poultry manure were included in the trial and the experiment was laid out in a randomized complete block design with three replications. Time of storing seedlings viz. 30 minutes, 2 hours, 4 hours and 8 hours did not significantly affect the grain and straw yields of Boro rice (cv. BRRI dhan29). BRRI recommended fertilizer management produced the highest grain yield (8.21 t ha^-1) followed by 50% of the BRRI recommended fertilizer + 50% of the poultry manure (7.35 t ha^-1 ). The lowest grain yield (4.86 t ha^-1) was obtained with cow dung at 10 t ha^-1. Grain and straw yields were not significantly affected by the interaction between time of seedling storing and fertilizer management.

Keywords: Seedling storing, Fertilizer management, Yield, Boro rice, SRI

Location: Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To find out the effect of seedling storing time between uprooting and transplanting and fertilizer management on yield of Boro rice (cv. BRRI dhan29) under SRI method.

Methodology:

The experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh. The experimental site belongs to Old Brahmaputra floodplain (AEZ 9) with medium high land and loamy soil. The pH of the soil was 6.81. The experiment comprised four duration of storing seedlings after uprooting (i) 30 minutes (SRI recommended), (ii) two hours, (iii) four hours and (iv) eight hours, and five fertilizer management practices viz. (i) BRRI fertilizer management (120-60-40-10-5 kg N, P₂O₅, K₂O, S, Zn ha^-1, respectively), (ii) cow dung @ t0 t ha^-1, iii, poultry manure @ 5 t ha^-1, iv) 50% of BRRI recornmended fertilizer + 50% of the cowdung (v) 50% BRRI recommended fertilizer + 50% of the poultry manure were included as treatment which was arranged in a randomized complete block design with three replications. BRRI dhan29, a high yielding Boro rice variety, was used as planting material. The size of unit plot was 4.0 m x 2.5 m. The crop was transplanted on 20 January 2006 maintaining spacing of 35 cm x 35 cm and harvested on 6 June 2006. Urea was top dressed in three equal splits.at ti, go uni +S days after transplanting (DAT). The full doses of Cowdung, Poultry manure, Triple Supper phosphate (TSP), Muriate of Potash (MOP), Gypsum and Zinc Sulphate were applied during finaland preparation as per treatment. Intercultural operations were done as and when necessary. The first weeding was done at 15 DAT and subsequent weedings were done at 15-day intervals up to 70 DAT. The crop was harvested plot wise at full maturity (i.e. when 90% of the grains turned golden yellow) and yield related characters were recorded. Five-plants plot^-1 were selected randomly for recording data on yield components such as total tillers hill^-1, effective tillers hill^-1 and number of grains per panicle. The harvested crop was then threshed, cleaned, sun dried and weighed to record the yields of grain and straw at moisture content. The yields of grain and straw were then converted into t ha^-1. The recorded data were analyzed using Analysis of variance technique and mean differences were adjudged by Duncan's Multiple Range Test'.

Source of Information: Bangladesh J. Agriculturist. 1(1): 95-101, 2008

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

However, numerically the highest grain yield (8.56 t ha^-1 was found in seedling storing time 30 minutes x BRRI recommended fertilizer dose and the lowest one (4.7 t ha^-1) was found in seedling storing time 30 minutes with application of Cowdung at l0 t ha^-1.

Knowledge Management: Journal