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Effect of Missing Elements (nps) on the Growth and Yield of BRRI Dhan29

R Talukder
Department of Soil Science, SAU, Sylhet

M A Aziz
Department of Soil Science, SAU, Sylhet

M A Kashem
Department of Soil Science, SAU, Sylhet

M. Khanam
Principal Scientific Officer, BRRI Regional Station, Habigonj.

Abstract/ Executive Summary:

An experiment was conducted at the BRRI Regional Station, Habigonj during December 2012 to May 2013 to study the effect of missing elements (NPS) on the growth and yield of BRRI dhan29. The experiment was laid out in a randomized complete block design with three replications. The experiment consisted of six treatments viz., N₈₅P₃₅K₅₀S₉, P₃₈K₅₀S₉(-N), N₈₅K₅₀S₉(-P), N₈₅P₃₈K₅₀(-S), K₅₀S₉(-NP), and N₀P₀K₀S₀(control). Results indicated that missing elements N, P and S alone or in combination with each other significantly affected the growth, yield and yield contributing characters of BRRI dhan29. Grain and straw yields were obtained highest in N₈₅P₃₈K₅₀S₉(8.31, 9.71 t ha^-1) and the lowest in K₅₀S₉(-NP) (4.76, 5.30 t ha^-1)

Keywords: Rice, Missing elements, Growth, Yield

Location: Habigonj

Start Date: 00-12-2012

End Date: 00-05-2013

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To observe the effect of N, P and S on the growth and yield of BRRI dhan29 through the missing elements (NPS) study.

Methodology:

The experiment was conducted at the Regional Station, Habigonj of Bangladesh Rice Research Institute (BRRI) during the period from December, 2012 to May, 2013. The soil belongs to Baniachong soil series under the Agroecological zone of Old Meghna Estuarine Floodplain (AEZ 19). The soil of the experimental area is acidic (pH 5.1) and clay texture. There were six treatments included in the experiment viz. N₈₅P₃₈K₅₀S₉_,P₃₈K₅₀S₉(-N), N₈₅K₅₀S₉(-P), N₈₅P₃₈K₅₀(-S), K₅₀S₉(-NP), and N₀P₀K₀S₀(control). The experiment was laid out in a randomized complete block design (RCBD) with three replications. NPKS nutrients were applied from the sources of urea, triple superphosphate, muriate of potash and gypsum. BRRI dhan29, a high yielding variety of rice was used as a test crop. Seeds were sown on the seedbed on December 02, 2012 for raising nursery seedlings. Transplanting was done at 07 January 2013 using 35-day old seedlings. Two hand weedings were done for each plot, first weeding was done at 25 days after transplanting followed by second weeding at 40 days after first weeding. Standing water was maintained 2-3 cm in the field throughout the growing period. Recommended cultural practices were followed for better crop establishment. Data were recorded 25 days interval at 40, 65, 90 days after transplanting and at harvest. Data were collected for measuring growth characters, and yield and yield parameters. The rice plants were harvested just above ground level at full maturity when 80% of the grains become golden yellow in color. The crop was harvested from 5 m² area at the center of each plot avoiding the border lines to avoid border effect. The statistical analysis of the data was done by using computer package program (MSTAT) and the means were separated using LSD test.

Source of Information: Bangladesh J. Agriculturist. 7(1): 51–55, 2014 ISSN 1812-4631

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Result of the study indicated that application of balanced fertilizer @ N₈₅P₃₈K₅₀ and S₉ was optimum for obtaining higher grain yield for the rice variety BRRI dhan29 for Habigonj soil.

Knowledge Management: Journal