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Effects of Manures and Fertilizer on Nutrient Content and Uptake by BRRI Dhan29

M.I. Hossain
Lal Teer seed Ltd., Lalmonirhat

M.N. Uddin
Department of Soil Science, PSTU, Dumki, Patuakhali

M.S. Islam
Department of Soil Science, PSTU, Dumki, Patuakhali

M.K. Hossain
Department of Soil Science, PSTU, Dumki, Patuakhali

M.A.H. Khan
Janata College, Dumki, Patuakhali

Abstract/ Executive Summary:

An experiment was conducted at Lalmonirhat sadar upazila during aman season of 2008 to evaluate the effect of urea-N, poultry manure (PM) and cowdung (CD) on the nutrient content and uptake by BRRI dhan29. The experiment was laid out in a Randomized Complete Block Design (RCBD) with eight treatments in three replications. The treatments were T₀: Control (no fertilizer), T₁: CD 5 t/ha, T₂: PM 5 t/ha, T₃: N 120 kg/ha, T₄: N 100 kg/ha + CD 3 t/ha, T₅: N 100 kg/ha + PM 3 t/ha, T₆: N 80 kg/ha + CD 4 t/ha, T₇: N 80 kg/ha + PM 4 t/ha. The P, K and S fertilizers were applied at the rate of 15, 50, and 10 kg/ha, respectively as a basal dose during the final land preparation. Application of poultry manure, cowdung and urea-N significantly influenced the yield components and yield of BRRI dhan 29. The N, P, K and S contents and uptake were profoundly influenced by the application of different doses of urea-N in combination with poultry manure and cowdung. The overall results indicate that application of PM @ 3 t/ha in combination with N 100 kg/ha can reduce the use of N fertilizer at a substantial level which ultimately reduce the cost of production. The findings of the study suggest that integrated use of manure and fertilizer is more important for sustainable production of BRRI dhan 29. However, further investigation is necessary to make conclusive remarks.

Keywords: Manures, fertilizers, N-content, BRRI dhan29

Location: Lalmonirhat sadar upazila

Start Date: 00-07-2008

End Date: 00-12-2008

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

1. The present research work was undertaken to study the nutrient contents and uptake of rice.

Methodology:

The experiment was conducted at Lalmonirhat sadar upazila during the aman season of 2008. The site of the experiment was located at 25.48° N latitude and 88.38° E longitudes at a mean elevation of 21 m above the sea level belonging to Non-Calcareous Dark Grey Floodplain soil under the Active Tista Floodplain Agro Ecological Zone. The soil of the experimental field belongs to Sonatala silt loam having pH 5.02, Organic matter (%) 2.12, CEC (me/100g soil) 11.2, total N (%) 0.12, C:N ratio 10.3, available P (ppm) 8.25, exchangeable K (me/100g soil) 0.16 and available S (ppm) 12.6. The test crop was BRRI dhan 29. Four different types of chemical fertilizers viz. urea, triple super phosphate, muriate of potash and gypsum and two different types of manure viz. cowdung and poultry manure were used in the study. The rates of fertilizers were K 15 kg, P 50 kg and S 10 kg/ha (BARC, 2005). Three individual doses of N, CD and PM including their four combinations were compared with the control. The treatment combinations were - T₀ = Control, T₁ = Cowdung (CD) 5 t/ha, T₂ = Poultry manure (PM) 5 t/ha, T₃ = N 120 kg/ha, T₄ = N 100 kg/ha + Cowdung (CD) 3 t/ha, T₅ = N 100 kg/ha + Poultry manure (PM) 3 t/ha, T₆ = N 80 kg/ha + Cowdung (CD) 4 t/ha and T₇ = N 80 kg/ha + Poultry manure (PM) 4 t/ha. The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. The size of each unit plot was 4m × 3m. The data were collected after harvest such as- N, P, K and S contents of grain and straw and N, P, K and S uptake by grain and straw of BRRI dhan29.

Source of Information: J. Agrofor. Environ. 3 (2): 65-67, 2010; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The overall results indicate that application of N fertilizer in T₅ as N @ 100 kg/ha in combination with 3t PM/ha can reduce the amount of recommended N fertilizer dose. Also this treatment combination was the best in terms of nutrients content and uptake. Therefore, the findings of this study suggest an integrated use of fertilizer and manures in an optimum ratio for sustainable crop production.

Knowledge Management: Journal