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Growth and Yield Performance of Nerica Rice in Aus Season Under Integrated Nitrogenous Nutrient Management System

Md. Kashedul
Department of Soil Science, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

S. Shahriar
Department of Soil Science, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

A.S.M. Fazle Bari
Department of Soil Science, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

Mst. Sharmin Sultana
Department of Soil Science, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

H. Mehraj
The United Graduate School of Agricultural Sciences, Ehime University, 3-5-7 Tarami, Matsumaya, Ehime 790-8556, Japan

Abstract/ Executive Summary:

An experiment was conducted to assess the effect of integrated nutrient management on the growth and yield of NERICA-10 during Aus season (Mid March-July), 2012. Eleven treatments coded from T₁ to T₁₁ were used in the experiment. The maximum highest panicle length and effective tillers/hill was found in T₁₀ (40 kg N from urea + 80 kg N from cowdung), maximum filled grains/panicle and 1000-grains weight was recorded in T₁₁ (100% N from equal portion of cowdung and vermicompost). The maximum grain yield (4.4 t/ha) and straw yield (5.4 t/ha) was found from T₃ i.e., 100 kg N form urea and 20 kg N substituted by vermicompost, while the minimum was found from T₁ (1.5 t/ha and 2.1 t/ha, respectively). T₃ increased of 190% grain yield and 154.8% straw yield over control which was the maximum than other treatments. The effect of vermicompost along with nitrogenous fertilizer was the most pronounced than that of cowdung or nitrogenous fertilizer alone. Application of 100 kg N from urea with 20 kg N from vermicompost was best for higher rice yield.

Keywords: NERICA 10 Nitrogenous Nutrient, Yield

Location: Experimental Farms of Sher-e-Bangla Agricultural University Farm, Dhaka, Bangladesh

Start Date: 00-03-2012

End Date: 00-07-2012

Program Area: Variety and Species

Commodity: Rice

Objectives:

To assess the effect of integrated nutrient management on the growth and yield of NERICA-10.

Methodology:

Experimental Site, Time and Genetic Material: The experiment was conducted in the Sher-e-Bangla Agricultural University Farm, Dhaka, Bangladesh in Aus season of 2012. NERICA 10 cultivar was used in the experiment. Treatments of the Experiment: Eleven different fertilizer combinations viz., T₁ : No chemical fertilizer and organic manure (Control); T₂ : 100% recommended N (120 kg nitrogen ha ); T₃ : 100 kg N from urea + 20 kg N substituted by vermicompost; T₄: 100 kg N from urea + 20 kg N substituted by cowdung; T₅: 80 kg N from urea + 40 kg N substituted by vermicompost; T₆: 80 kg N from urea + 40 kg N substituted by cowdung; T₇: 60 kg N from urea + 60 kg N substituted by vermicompost; T₈: 60 kg N from urea + 60 kg N substituted by cowdung; T₉: 40 kg N from urea + 80 kg N substituted by vermicompost; T₁₀: 40 kg N from urea + 80 kg N substituted by cowdung; T₁₁: 100% N substituted by equal portion of vermicompost were used in the experiment as treatment. Urea contained 46% N, Cowdung contain 1% N and Vermicompost contain 2.1% N. Application of fertilizers: The amounts of nitrogen, phosphorus, potassium and sulfur fertilizers required per plot were calculated from fertilizers rate per hectare. Triple super phosphate (TSP), muriate of potash (MP) and Gypsum were applied @ 80, 120, 55 kg/ha, respectively during final land preparation. A blanket dose of 16 kg P, 60 kg K and 10 kg S per ha was applied to all plots in the forms of triple super phosphate (TSP), muriate of potash (MP) and gypsum, respectively during final land preparation. Nitrogen was also applied as per treatment in the form of urea in three equal splits. The first split was applied after 15 days of sowing, the second split was applied after 35 days of sowing i.e., at active vegetative stage and the third split was applied after 60 days of sowing i.e. at panicle initiation stage. Experimental Design: Experiment was laid out by using randomized complete block design (RCBD) with three replications. The unit plot area was 3.5 m × 2 m, block to block distance was 2 m and plot to plot distance was 1 m. Data Collection: The data were collected on different growth and yield contributing characters i.e., plant height, number of effective and ineffective tillers, panicle length, number of unfilled and filled grains, 1000-grain weight, grain and straw yields. Grain and straw yields were recorded at 14% moisture level. Statistical Analysis: The statistical analysis for different character including the nutrient content and uptake were done following the ANOVA technique and the mean results in case of significant F-values were adjusted by the Duncan’s Multiple Range Test (DMRT).

Source of Information: American-Eurasian Journal of Scientific Research 10 (6): 352-356, 2015

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Total time required from sowing to harvesting of NERICA-10 was 108 days is Aus season. So, farmers can easily cultivate Aman rice after harvesting of NERICA-10. The organic manures (cowdung and vermicompost) along with nitrogenous fertilizer had varying degree of integrated effects on NERICA-10. Combined application of 100 kg N as the source of urea along with 20 kg N as the source of vermicompost performed the best in recording yield and yield contributing characters of NERICA-10.

Knowledge Management: Journal