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Effect of Integrated Nutrient Management in Boro Rice Cultivation

B. Roy
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. A. R. Sarkar
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

S. K. Paul
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

An experiment was carried out in the farmer’s field of village Boira under Kotoali Thana, District-Mymensingh in Boro season (Jannuary to May 2013) to find out the effect of integrated nutrient management in Boro rice cv. BRRI dhan29 cultivation. The experiment consisted of the following treatments- control (no manure and no fertilizer) (T₁), recommended dose of prilled urea and PKSZn (T₂), 50% of the recommended dose of prilled urea and PKSZn + cowdung 5 t ha^-1 (T₃), 50% of recommended dose of prilled urea and PKSZn + poultry manure 2.5 t ha^-1(T₄), 50% of recommended dose of prilled urea and PKSZn + cowdung 10 t ha^-1 (T₅), 50% of recommended dose of prilled urea and PKSZn + poultry manure 5 t ha^-1 (T6), cowdung 10 t ha^-1 (T₇), poultry manure 5 t ha^-1 (T₈), full dose of USG (2.7g) + recommended dose of PKSZn (T₉), full dose of USG (2.7g) + cowdung 10 t ha^-1 (T₁₀), full dose of USG (2.7g) + poultry manure 5 t ha^-1 (T₁₁), full dose of USG (2.7g) + cowdung 5 t ha^-1 (T₁₂), full dose of USG (2.7g) + poultry manure 2.5 t ha^-1(T₁₃), USG (1.8g) + poultry manure 5 t ha^-1 (T₁₄), USG (1.8g) + poultry manure 2.5 t ha^-1 (T₁₅) and farmer’s practice (Urea 250 kg ha^-1, TSP 220 kg ha^-1, MoP 130 kg ha^-1, gypsum 130 kg ha^-1) (T₁₆). The experiment was laid out in a randomized complete block design with three replications. Results of the experiment showed that integrated nutrient management had significant effect on yield contributing characters and yield of BRRI dhan29. The highest number of total tillers hill^-1(16.85) and effective tillers hill^-1 (15.90) were obtained in T₁₁ treatment (USG (2.7g) + poultry manure 5 t ha^-1). The highest 1000-grain weight (22.40g), grain yield (7.19 t ha^-1) and straw yield (8.08 t ha^-1) were recorded in T₁₀ treatment (full dose of USG (2.7g) + cowdung 10 t ha^-1) and the lowest grain yield (4.43 t ha^-1) and straw yield (5.21 t ha^-1) were obtained in T₇ treatment (cowdung 10 t ha^-1). From the study, it can be concluded that inorganic fertilizer along with manure greatly influence the yield contributing characters and yield of Boro rice and full dose of USG (2.7g) with cowdung (10 t ha^-1) appears as the promising combination for Boro rice (cv. BRRI dhan29) cultivation.

Keywords: Integrated nutrient management, Boro rice, Yield

Location: Kotoali Thana, District-Mymensingh, Bangladesh

Start Date: 00-01-2013

End Date: 00-05-2013

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To study the effect of integrated nutrient management in Boro rice (cv. BRRI dhan29) cultivation.

Methodology:

The experiment was carried out in the farmer’s field of village Boira under Kotoali Thana, District-Mymensingh in Boro season (Jannuary to May 2013). The experiment consisted of the following treatments- control (no manure and no fertilizer) (T₁), recommended dose of prilled urea + PKSZn (T₂), 50% of recommended dose of prilled urea and PKSZn + cowdung 5 t ha^-1 (T₃), 50% of recommended dose of prilled urea and PKSZn + poultry manure 2.5 t ha^-1(T₄), 50% of recommended dose of prilled urea and PKSZn + cowdung 10 t ha^-1 (T₅), 50% of recommended dose of prilled urea and PKSZn + poultry manure 5 t ha^-1 (T₆), cowdung 10 t ha^-1 (T₇), poultry manure 5 t ha^-1 (T₈), full dose of USG (2.7g) + recommended dose of PKSZn (T₉), full dose of USG (2.7g) + cowdung 10 t ha^-1 (T₁₀), full dose of USG (2.7g) + poultry manure 5 t ha^-1 (T₁₁), full dose of USG (2.7g) + cowdung 5 t ha^-1 (T₁₂), full dose of USG (2.7g) + poultry manure 2.5 t ha^-1 (T₁₃), USG (1.8g) + poultry manure 5 t ha^-1 (T₁₄), USG (1.8g) + poultry manure 2.5 t ha^-1 (T₁₅) and farmer’s practice (Urea 250 kg ha^-1, TSP 220 kg ha^-1, MoP 130 kg ha^-1, gypsum 130 kg ha^-1) (T₁₆). The experiment was laid out in a randomized complete block design with three replications. Each block was divided into 16 unit plots where the treatment combinations were allocated at random. The size of each unit plot was 4.0m × 2.5m. The land was first opened with a tractor drawn plough and finally prepared by ploughing and cross ploughing with country plough followed by laddering. Weeds and stubble were removed from the field as much as possible after leveling. The land was finally prepared and the experiment was laid out on 29 January 2013. Cowdung and poultry manure were applied as basal dose (as per treatment) on 30 January before transplanting of rice seedlings. Urea, triple super phosphate, muriate of potash, gypsum and zinc sulphate @ 250, 130, 120, 60 and 10 kg ha^-1, respectively were applied where applicable. The whole amounts of triple super phosphate, muriate of potash, gypsum and zinc sulphate were applied at final land preparation as per experimental specification. Urea was applied in 3 equal splits at 15, 30, and 45 days after transplanting (DAT). As per experimental specification urea super granules (USG) were placed manually (depth 6-8 cm) at the centre of four hills of two adjacent rows i.e. once at 10 days after transplanting (DAT) in every alternate row. Thirty seven-day old seedlings were uprooted carefully from the nursery and transplanted on the experimental plots on 01 February 2013 maintaining 25 cm x 15 cm spacing between the rows and hills, respectively. Weeding was done at 25 and 40 DAT. The crop was irrigated as and when necessary. Maturity of crops was determined when 90% of the grains became golden yellow in color. The grains were cleaned and finally the weight was adjusted to 14% moisture content. The straw was sun dried and the yields of grain and straw plot-1 were recorded and converted to t ha^-1. Harvest index was calculated with the following formula: Harvest index (%) = (Grain yield) / (Biological yield) x 100. The collected data were analyzed by using “Analysis of Variance” technique and the differences among treatment means were adjudged by the Duncan's Multiple Range Test (Gomez and Gomez, 1984).

Source of Information: SAARC J. Agri., 13(2): 131-140 (2015)

Article Link (Online Journal): http://www.banglajol.info/index.php/SJA/article/view/26574/17827

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

From the study it can be concluded that integrated nutrient can increase grain yield of Boro rice. Full dose of USG (2.7g) with cowdung (10 t ha^-1) appears as the promising combination for Boro rice cultivation.

Knowledge Management: Journal