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Determination of Optimum Sowing Time and Spacing for Growth and Yield of Soybean Lines

Dr. Md. Monjurul Islam
PSO
Agronomy Division, Bangladesh Institute of Nuclear Agriculture, BAU Campus, Mymensingh. Bangladesh.

Dr. Md. Shahidul Islam
SSO
Agronomy Division, Bangladesh Institute of Nuclear Agriculture, BAU Campus, Mymensingh. Bangladesh.

Abstract/ Executive Summary:

At Magura, results showed that the mean seed yield was highest (1738.22 kg ha^-1) in December 30 sowing contributed by higher number of populations, pods plant^-1and branches plant^-1. Among different advance lines, SBM-9 produced highest seed yield (1805.33 kg ha^-1). The release variety, Binasoybean-1 produced second highest seed yield (1774.16 kg ha^-1). The lowest seed yield was obtained by SBM-15 (1420 kg ha^-1). In closer spacing (20 cm row), the Binasoybean-1 yielded higher (1792.57 kg ha^-1) than 25 cm and 30 cm row spacing. The interaction results of time x variety x spacing revealed that the yield of Binasoybean-1 was the highest (2255 kg ha^-1) at 20 cm spacing in Dec. 30 sowing. Mean effect of different spacing showed significant effect on seed yield. In Mymensingh, the mean seed yield showed highest seed yield in Jan. 15 sowing (336.31 kg ha^-1) and Dec. 30 showed lowest (2361.73 kg ha^-1). Highest yield in Jan.15 contributed by highest branches plant^-1, pods plant^-1 and seeds pod^-1. Among different advance lines, SBM-18 produced highest seed yield (3083.72 kg ha^-1). Advance lines, SBM-12, SBM-9 and Binasoybean-1 produced almost similar yield (2867.61 kg ha^-1, 2837.50 kg ha^-1and 2812.44 kg ha^-1, respectively). Different spacing’s showed significant effect on seed yield. Among different spacing, 20 cm row showed highest seed yield (1792.57 kg ha^-1).

Keywords: Sowing time, Spacing and Soybean

Location: BINA HQ, Mymensing and BINA sub-station farm at Magura

Start Date: 30-12-2013

End Date: 30-04-2014

Program Area: Crop-Soil-Water Management

Commodity: Soybean

Objectives:

To evaluate the effect of sowing time and row spacing’s on the yield and yield contributing characters of advanced soybean lines/variety

Methodology:

The experiment was conducted in the sub-station farm at Magura and Mymensingh during 2013-14 to evaluate the effect of sowing time (December 30 and January 15) and row spacing’s (20 cm, 25 cm, and 30 cm) on the yield and yield contributing characters of five advanced soybean lines/variety viz. SBM-22, SBM-9, SBM-15 and SBM-18 along with one check variety, Binasoybean-1. The experiment was laid out in RCB design with 3 replications. The unit plot size was 4 m × 3 m. The recommended doses of fertilizers were applied. The experiment was harvested on different dates according to the maturity of the mutant lines/varieties. All the recorded data were statistically analyzed using MSTAT Statistical computer program according to the design used for the experiment. Least significant difference (LSD) was used to compare variations among treatments.

Source of Information: Annual Report, 2013-2014, pp.243, BINA, Mymensingh, Bangladesh

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The study on determination of optimum sowing time and spacing for growth and yield of soybean lines revealed that the yield of Binasoybean-1 was 2255 kg ha^-1 at 20 cm spacing in Dec. 30 sowing at Magura and advance line SBM-9 produced 3812 kg ha^-1 at 25 cm spacing in Jan.15 sowing.

Knowledge Management: Report/Proceedings