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Fertilizer Management for Maximizing Soybean (glycine Max L.) Production in Char Lands of Bangladesh

M. M. U. Chowdhury
On Farm Research Division, Bangladesh Agricultural Research Institute, Noakhali, Bangladesh;

I. S. M. Farhad
On Farm Research Division, Bangladesh Agricultural Research Institute, Noakhali, Bangladesh;

S. K. Bhowal
On Farm Research Division, Bangladesh Agricultural Research Institute, Noakhali, Bangladesh;

S. K. Bhowmik
On Farm Research Division, Bangladesh Agricultural Research Institute, Noakhali, Bangladesh;

A. K. Choudhury
On Farm Research Division, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at Char Martin under Multi Location Testing site in Laxmipur district during Rabi season of 2011-12 & 2012-13 with different fertilizer doses to find out the economic fertilizer dose for soybean variety BARI Soybean 6 under farmers field condition. Four fertilizer combinations viz; T₁ : 17-27-55-2.7-2.0-0 kg ha^-1 of N-P-K-S-Zn-B (Soil Test Based fertilizer), T₂ : 25- 25-50-10-0-0 kg ha^-1 of N-P-K-S-Zn-B (Fertilizer Recommendation Guide, 2005 based fertilizer), T₃: 28-13-0-0-0-0 kg ha^-1 of N-P-K-S-Zn-B (Farmers practice) and T₄: Native fertility (control) were selected. All the yield and yield contributing characters of BARI Soybean 6 varied significantly with the different fertilizer treatments. The highest seed yield (2.99 t ha^-1) was recorded from plants treated with T₁which was statistically similar to T₂. The lowest seed yield (1.74 t ha^-1) was obtained from T_4. The highest gross return (Tk.104650 ha^-1), net return (Tk. 56375 ha^-1) and benefit cost ratio (2.16) were obtained from T₁ and the lowest gross return (Tk. 60900 ha^-1), net return (Tk.19900 ha^-1) and BCR (1.48) was obtained from T₄.

Keywords: Fertilizer dose, Soybean, Cost and Return

Location: MLT site of Char Martin under Laxmipur

Start Date: 00-00-2011

End Date: 00-00-2013

Program Area: Crop-Soil-Water Management

Commodity: Soybean

Objectives:

To determine the optimum fertilizer dose of soybean in char land.

Methodology:

A field experiment was conducted at MLT site of Char Martin under Laxmipur during Rabi season of 2011-12 and 2012-13 in Young Meghna Estuarine Floodplain (AEZ-18) to examine the effects different fertilizer doses on soybean yield (variety : BARI Soybean 6 ). Before conducting the experiment, initial composite soil samples (0- 15 cm) were collected from the experimental plots and were analyzed. The unit plot size was 4 m × 3 m. In both the years, seeds were sown in the last week of January with the spacing of 30 x 10 cm. Four fertilizer treatments viz.; T₁: 17-27-55-2.7-2.0-0 kg ha^-1 N-P-K-SZn- B (Soil Test Based fertilizer), T₂: 25-25-50-10-0-0 kg ha^-1 of N-P-K-S-Zn-B (Fertilizer Recommendation Guide, 2005 based fertilizer), T₃: 28-13-0-0-0-0 kg ha^-1 of N-P-K-S-Zn-B (Farmers practice) and T₄: Native fertility (control) were applied in a Randomized Complete Block Design with three replications. Half of urea and entire amount of other fertilizers were applied as basal during final land preparation and the remaining half of urea was top dressed after 22 days of sowing.

Source of Information: The Agriculturists 12(2): 98-102(2014) 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/21737/14943

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It may be concluded from the present study that STB based fertilizer doses is superior to the other fertilizer management packages in respect of yield, net return and BCR for soybean cultivation in the char areas soil under study and its extrapolation areas as well.

Knowledge Management: Journal