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Effect of Fertilizer and Manure on the Growth, Yield and Grain Nutrient Concentration of Boro Rice (oryza Sativa L.) Under Different Water Management Practices

M. M. AL Fakhrul Islam
Department of Soil Science, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

Md. Asaduzzaman Khan
Department of Soil Science, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

A. S. M. Fazle Bari
Department of Soil Science, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

M. T. Hosain
Department of Agricultural Botany, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh;

Sabikunnaher
GME Group, Bangladesh

Abstract/ Executive Summary:

The experiment was conducted in the Sher-e-Bangla Agricultural University research farm, Dhaka, Bangladesh during December 2010 to April 2011 to study the effect of fertilizer and manure with different water management on the growth, yield and nutrient concentration of BRRI dhan28. The experiment consisted of 2 factors i.e. irrigation and fertilizer plus manure. There were 2 irrigation levels (I₀= Alternate wetting and drying, I₁= Continuous flooding) and 8 fertilizer treatment (T₀: control, T₁: 100% RDCF, (N₁₀₀P₁₅K₄₅S₂₀Zn₂), T₂: 10 ton cowdung/ha, T₃: 50% RDCF + 5 ton cowdung/ha, T₄: 8 ton poultry manure/ha, T₅: 50% RDCF + 4 ton poultry manure/ha, T₆: 10 ton vermicompost/ha, T₇: 50% RDCF + 5 ton vermicompost/ha). There were 16 treatment combinations and 3 replications. Irrigation had no significant effect on the yield and yield parameters of BRRI dhan 28. The yield contributing characters and yields were significantly influenced by applied fertilizer and manure. The T₅ (50% RDCF + 4 ton poultry manure/ha) showed the highest effective tillers/hill, plant height, panicle length, 1000 grain wt., grain yield (5.92 kg/plot) and straw yield (5.91 kg/plot). The higher grain and straw yields were obtained organic manure plus inorganic fertilizers than full dose of chemical fertilizer and manure. The highest grain (5.93 kg/plot) and straw yields (6.42 kg/plot) were recorded from I₀T₅ (Alternate wetting and drying + 50% RDCF plus 4 ton poultry manure/ha) and the lowest was found in I₁T₀ (Continuous flooding + control treatment) treatment combination. The highest concentrations of grain and straw N, P, K, S were recorded in T₅ treatment. The levels of organic matter and nutrient concentration were increased in the post harvest soils due to added manure plus inorganic fertilizer.

Keywords: Cowdung, Poultry manure, Vermicompost, NPKS, Irrigation, Rice, Yield

Location: Farm of Sher-e-Bangla Agricultural University, Dhaka 1207

Start Date: 00-00-2010

End Date: 00-00-2011

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer, Manures, Rice

Objectives:

To determine the effect of seedlings age and water management on tillering behavior, growth dynamics, yield and yield contributing characters of Boro Rice

Methodology:

The research work was conducted at the farm of Sher-e-Bangla Agricultural University, Dhaka 1207 during the Boro season of 2010-2011. The soil of the experimental field belongs to the Tejgaon series of AEZ No. 28, Madhupur Tract, classified as Deep Red Brown Terrace Soils in Bangladesh soil classification system. The soil texture was silt loam having pH 6.1 and contains organic matter 1.09%, total N 0.04%, available P 9.9 ppm, available K 15.6 ppm, and available S 8.06 ppm. BRRI dhan 28 was used as the test crop in this experiment. The experiment consists of 2 factors i. e. irrigation and fertilizer plus manure. There were 2 irrigation levels (I₀= Alternate wetting and drying, I₁= Continuous flooding) and 8 fertilizer treatment (T₀: control, T₁: 100% RDCF, (N₁₀₀P₁₅K₄₅S₂₀Zn₂), T₂: 10 ton cowdung/ha, T₃: 50% RDCF + 5 ton cowdung/ha, T₄: 8 ton poultry manure/ha, T₅: 50% RDCF + 4 ton poultry manure/ha, T₆: 10 ton vermicompost/ha, T₇: 50% RDCF + 5 ton vermicompost/ha) to form 16 treatment combinations. The experiment was laid out in a split plot design (SPD) with three replications with the two irrigation levels in the main plots and fertilizer plus manure treatments to the sub plots. The total numbers of plots were 48. The plot size was 3 m × 3 m and ailes separated the plots from each other. The distance maintained between two main plots and two-sub plots were 1.0 m and 0.5 m, respectively. The experimental plot was opened by a tractor, and then the land was ploughed and cross-ploughed several times with the help of a power tiller followed by laddering to obtain a good tilth and puddled condition Weeds and stubbles were removed, and the large clods were broken into smaller pieces to obtain a desirable tilth. Finally, the land was leveled and the experimental plot was partitioned into the unit plots.

Source of Information: The Agriculturists 11(2): 44-51 (2013) ISSN 2304-7321 (Online), ISSN 1729-5211 (Print), A Scientific Journal of Krishi Foundation

Article Link (Online Journal): http://banglajol.info/index.php/AGRIC/article/view/17486/12262

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The integrated use of manure and inorganic fertilizer with different levels of irrigation significantly influenced the yield and yield contributing characters of boro rice. The higher values of yield parameters and yields were recorded in the treatments where fertilizer plus manure were used. The highest effective tillers/hill, plant height, panicle length, 1000 grain wt., grain and straw yields were found from T₅ treatment where 50% RDCF plus 4 ton poultry manure was used. On the other hand, lowest values were obtained from T₀ treatment. The number of effective tillers/hill, grain yield and straw yield were significantly influenced by combined application of irrigation and fertilizer. The highest grain and straw yields were recorded from I₀T₅and the lowest were observed from I₀T₀ treatment combination. The grain and straw nutrient concentration in boro rice plant was significantly influenced by fertilizer and manure. The almost similar levels of N, P, K, S concentration were recorded from I₀ and I₁ treatments. The highest concentrations of N, P, K, S in grain and straw were recorded from T₅ treatment and in all cases lowest value was observed in T₀ treatment. The pH, organic matter and levels of N, P, K, S of post harvest soil were significantly affected by fertilizer and combined application of irrigation and fertilizer. The higher levels of organic matter and nutrient concentrations were found in the fertilizer treatments where manure plus inorganic fertilizers were used. The highest pH (6.4) was recorded from T₁ and highest organic matter (1.24%), P (34.08 ppm), K (0.042 m.eq/100g), S (40.76 ppm) were recorded from T₅. On the other hand, the lowest values were recorded from T₀ treatment. From the above discussion it can be concluded that irrigation had no significant effect on yield and yield contributing characters and application alternate wetting and drying is preferable than flood irrigation and application of 50% RDCF + 4 ton poultry manure/ha and alternate wetting and was most favorable for improving yield and yield contributing characters of BRRI dhan 28 in Boro season.

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