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Fertilizer Management for Maximizing Soybean (glycine Max L.) Production in Saline Agro-ecosystem of Barguna

M.J. Hasan
MS student
Department of Agronomy, Patuakhali Science and Technology University, Dumki, Patuakhali-8602

S. Ahmed
Professor
Department of Agronomy, Patuakhali Science and Technology University, Dumki, Patuakhali-8602

M.A. Rahman
Department of Agronomy, Patuakhali Science and Technology University, Dumki, Patuakhali-8602

S.C. Samanta
Professor
Department of Agronomy, Patuakhali Science and Technology University, Dumki, Patuakhali-8602

Abstract/ Executive Summary:

An experiment was conducted at saline agro-ecosystem of Burir Char Union, Barguna District during January to June 2018, with a view to find out the fertilizer management for maximizing soybean ( Glycine max L.) production in saline agro-ecosystem was laid out in randomized complete block design consisted of three varieties of soybean and four levels of fertilizer doses with three replications. Three varieties of soybean viz. BARI Soybean-5, BARI Soybean-6 and BINA soybean-3 and four fertilizer levels viz. T₁ = 25-30-45-10-1.0-1.0 kgha^-1 N-P-K-S-Zn-B (Soil test based fertilizer); T₂ = 30-40-60-12-2.0-1.0 kgha^-1 N-P-K-S-Zn-B (Fertilizer recommendation guide, 2012); T₃ = 40-20-15-0-0-0 kgha^-1 N-PK-S-Zn-B (Farmers practices); T₄ = Control native fertility were considered which placed in a factorial randomized block design. The variety had significant influence on plant height, branches plant^-1, number of filled pods plant^-1, number of unfilled pods plant^-1, seed yield plant^-1, seed yield (t ha^-1), stover yield (t ha^-1). BARI Soybean-6 performed better than the other two varieties. The fertilizer doses had significant influence on plant height, branches plant^-1, number of filled pods plant^-1, number of unfilled pods plant^-1, seed yield plant^-1, 100-seed weight, seed yield (t ha^-1), stover yield (t ha^-1). Fertilizer doses 25-30-45-10-1.0-1.0 kgha^-1 N-P-K-S-Zn-B (Soil test based fertilizer) gave the maximum yield. The interaction between variety and fertilizer doses V₂T₁ (BARI Soybean-6 and 25-30-4510-1.0-1.0 kgha^-1 N-P-K-S-Zn-B) produced the maximum yield SO, the variety BARI Soybean-6 with fertilizer dose 25-30-45-10-1.0-1.0 kgha^-1 N-P-K-S-Zn-B could be suitable combination for higher yield of soybean in saline agro ecosystem of Barguna.

Keywords: Fertilizer dose, Soybean, Saline eco-system, Yield

Location: Saline agro-ecosystem of Burir Char Union, Barguna District, Bangladesh

Start Date: 00-01-2018

End Date: 00-06-2018

Program Area: Crop-Soil-Water Management

Commodity: Soybean, Soil fertility, Soil salinity

Objectives:

To find out salt tolerant variety and develop a fertilizer management practices for coastal area.

Methodology:

The experiment was conducted at Saline agro-ecosystem of Barguna during January to June 2018 with geographical location of 22.1508 N latitude and 90.1264 E longitude at the elevation of 1.5 m above the sea level. Before conducting the experiment the initial composite soil sample (0-15 cm) were collected from the experiment plot. The land was clay loam in texture having a soil pH value of 7.9, moderate in organic matter content. Soil characteristics of the experimental plot have been presented. The experiment was laid out in a factorial randomized complete block design (RCBD) with 3 replications. The variety BARI Soybean -5, BARI Soybean-6 and BINA soybean-3 was used as test crops. The unit plot size was 4m × 3m.Spacing 30 cm× 10 cm. Four fertilizer treatments viz.; T₁ : 25-30-45-10-1.0-1.0 kgha^-1 N-P-K-S-Zn-B (Soil test based fertilizer), T₂: 30-40-60-12-2.0-1.0 kgha^-1 N-P-K-S-Zn-B (Fertilizer recommendation guide, 2012) T₃ : 40-20-15-0-0-0 kgha^-1 N-P-K-S-Zn-B (Farmers practices) and T₄ : native fertility (control) were applied Half of urea and entire amount of other fertilization was applied as basal during final land preparation and the remaining half of urea was applied as top-dressed after 21 days of sowing. First irrigation was applied after 35 days after sowing before flowering and the second irrigation was applied at pod formation stage. Different intercultural operations and plant protection measures was taken as and when necessary to raise healthy crop. Data were collected on an individual plant basis and seed yield plant^-1 (g) was estimated after cleaning and proper drying. Plot yield was recorded (3m² from each plot) and then converted to t ha^-1. All data were statistically analyzed using ‘Analysis of variance technique’ with the help of MSTAT- C computer program and the mean difference were compared by Duncan’s Multiple Range Test at 5% level of significance.

Source of Information: Bangladesh Agron. J. 2019 , 22 (1) : 89 - 9

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It could be concluded from the study that STB based fertilizer doses (25-30-4510-1.0-1.0 kg ha^-1 N-P-K-S-Zn-B ), and soybean var. BARI soybean 6 are superior to the others fertilizer management packages in respect of seed yield and other characters.

Knowledge Management: Journal