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Effect of Integrated Approach of Plant Nutrients on Yield and Yield Attributes of Different Crops in Wheat-sesame-t. Aman Cropping Pattern

M.A. Islam
On Farm Research Division, Regional Agricultural Research Station, BARI, Pabna, Bangladesh

Mst. A. Begum
Department of Agronomy, Bangladesh Agricultural University, Mymensingh, Bangladesh

M.M. Jahangir
Department of Soil Science, Bangladesh Agricultural University, Mymensingh, Bangladesh

Abstract/ Executive Summary:

The experiment was carried out at FSRD site, Pushpopara, Pabna, during November, 2010 to December, 2011 to observe the comparative performance of integrated plant nutrients management (IPNS) system through the use of organic (cowdung, cowdung slurry) manure and inorganic fertilizer on wheat, sesame and T. Aman crops under wheat-sesame-T. Aman cropping pattern. The experiment was consisted with four treatments viz. T₁: Soil test based inorganic fertilizer dose for high yield goal, T₂: Cowdung @ 5 t ha^-1 + IPNS basis inorganic fertilizer dose for high yield goal, T₃: Cowdung slurry @ 5 t ha^-1 + IPNS basis inorganic fertilizer dose for high yield goal and T₄: Fertilizer dose usually practiced by the farmers. In case of wheat, the highest grain yield (3.80 t ha^-1) was obtained from bio-slurry treated plot that means T₃ treatment followed by T₂ and the lowest (3.31 t ha^-1) from T₄. Higher seed yield (1.31 t ha^-1) of sesame was obtained from T₃ that was statistically identical to T₂ and T₁ and the lower (1.01 t ha^-1) from T₄. For T. Aman rice, the highest grain yield (4.89 t ha^-1) was obtained from T₃ which was statistically indistinguishable from T₁ where as the lowest grain yield (4.1 t ha^-1) was recorded from T₄. Considering the whole pattern, it is observed that the highest gross return (271100 Tk ha^-1) was obtained from T₃ followed by T₂ and the lowest (225650 Tk ha^-1) from T₁ treatment. Total variable cost was recorded as the highest (100368 Tk ha^-1) in T₂ followed by T₃ and the lowest (86775 Tk ha^-1) in T₄ treatment. The highest marginal value of product (45450 Tk ha^-1) was recorded in T₃ followed by T₂ where as the minimum (28710 Tk ha^-1) was found in T₁ over the T₄ treatment. Marginal variable cost was observed as the highest (13593 Tk ha^-1) in T₂ treatment followed by T₃ and the minimum (8899 Tk ha^-1) was recorded in T₁ treatment. The highest MBCR (4.15) was recorded from T₃ followed by T₂ and the minimum (2.31) from T₂ treatment.

Keywords: IPNS System, Chemical fertilizer, Organic manure, Rice Equivalent Yield, Cropping Pattern

Location: The experiment was carried out at FSRD site, Pushpopara, Pabna.

Start Date: 00-11-2010

End Date: 00-12-2011

Program Area: Crop-Soil-Water Management

Commodity: Manures, Fertilizer

Objectives:

To investigate the effect of combined use of chemical fertilizers and organic manures in wheat-sesame-T. Aman rice cropping pattern regarding yield and economic return.

Methodology:

The experiment was carried out at FSRD site, Pushpopara, Pabna, during November, 2010 to December, 2011 to observe the comparative performance of integrated plant nutrients management (IPNS) system through the use of organic (cowdung, cowdung slurry) and inorganic fertilizer on wheat, sesame and T. Aman crops under wheat-sesame-T. Aman cropping pattern. The trial was conducted in 6 different locations at the farmer’s field. Before conducting the experiment, initial composite soil samples (0-15 cm depth) were collected from the experimental plots and were analyzed. Nutrient packages was calculated on the basis of soil test value according to the instructions outlined by BARC fertilizer recommendation guide 2005. The experiment was laid out in Randomized Complete Block Design with a unit plot size of 5mX6m. Four fertilizer treatments viz. T₁: Soil test based inorganic basis fertilizer dose for high yield goal, T₂: Cowdung @ 5 t ha^-1 + IPNS basis inorganic fertilizer dose for high yield goal, T₃: Cowdung slurry @ 5 t ha^-1 + IPNS basis inorganic fertilizer dose for high yield goal and T₄: Farmers practice. Variety BARI Gom 24, BARI Til 4 and Swarna was selected for wheat, sesame and T. Aman respectively by the cooperator farmers and used in the trial. Wheat seeds were sown in the field on December 15-25, 2010 maintaining spacing of 20 cmX5 cm. Fifty percent urea and entire amount of TSP, MoP, Gypsum, Zinc sulphate , Boric acid and organic manure were applied as basal as per treatment specification. Rest 50% urea was applied at 18-21 days after sowing (DAS). The seeds of sesame were broadcasted @ 7 kg ha^-1 on April 6, 2011. All fertilizers with full amount except urea were applied during final land preparation. Fifty percent urea was applied as basal and the rest amount was applied as top dress during first irrigation. In case of T. Aman rice, thirty day’s old seedling was transplanted on 16 and 17 August, 2011. Entire amount of all fertilizers including cowdung manure and cowdung slurry except urea were applied as basal. Urea was applied in two equal splits at 15 and 55 DAT as top dress. Intercultural operations viz. weeding, thinning, irrigation and spraying of pesticides were done as and when required in order to support normal plant growth and development. The crops were harvested after full maturity. Wheat, sesame and T. Aman were harvested on March 12-17, July 7 and 25-29 November, 2011 respectively. The recorded data were statistically analyzed. All types of variable production cost are recorded to find out the marginal benefit cost ratio (MBCR). Economic analysis with respect to net return was carried out to evaluate the profitability of different treatments.

Source of Information: ISSN: 2224-0616 Int. J. Agril. Res. Innov. & Tech. 3 (2): 66-71, December, 2013 Available online at http://www.ijarit.webs.com

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Considering yield and return it can be concluded that treatment T₃ that means IPNS with cowdung slurry is the most profitable as compared to other treatments. Many researchers claim that IPNS based fertilizer management systems have been found promising for maintaining soil health. In order to maintain sustainable agriculture we should give priority for creating awareness and using IPNS based fertilizer package for successful crop production keeping sustenance of soil health.

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