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Identification 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:

Results showed that the mean seed yield was highest (2.84 t ha^-1) in December 25 sowing contributed by higher number of population, pod plant^-1and pod length. Among different advance lines, AVRDC–73 produced highest seed yield (2.70 t ha^-1) and BAU-S/70 produced second highest seed yield (2.61 t ha^-1). The lowest seed yield was obtained by AVRDC-78 (2.47 t ha^-1). The medium spacing (25 cm row) yielded higher (2.71 t ha^-1) than 20 cm and 30 cm row spacing. The interaction results presented in revealed that the yield of BAU-S/70 was the highest (3.0 t ha^-1) in December 25 sowing. The interaction between sowing date and spacing showed that the seed yield in December 25 produced the highest (3.03 t ha^-1) in 25 cm of row spacing and interaction between variety and spacing revealed that the highest yield (2.85 t ha^-1) was obtained by AVRDC-73. On the other hand, interaction of date, variety and spacing showed that highest seed yield (3.15 t ha^-1) in December 25 sowing with 25 cm row spacing by BAU-S/70 and second highest was 3.11 t ha^-1 by AVRDC-73.

Keywords: Spacing, Yield and Soybean

Location: BINA sub-station farm at Magura

Start Date: 15-12-2012

End Date: 30-04-2013

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 at BINA sub-station farm Magura during 2012-13 to evaluate the effect of sowing time (December 15, December 25 and January 05) and row spacings of 20 cm (S₁), 25 cm (S₂) and 30 cm (S₃) on the yield and yield contributing characters of three advanced soybean lines/variety viz., BAU-S/70 (V₁), AVRDC-78 (V₂) and AVRDC-73 (V₃) along with one check variety Binasoybean-1 (V₄). 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 package 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, 2012-2013, pp.232, BINA, Mymensingh, Bangladesh

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Time sowing and spacing trial with some advanced lines of soybean lines exhibited that, advance line AVRDC–73 produced the highest seed yield (2.70 t ha^-1) and BAU-S/70 produced second highest seed yield (2.61 t ha^-1). The lowest seed yield was obtained by AVRDC-78 (2.47 t ha^-1). The medium spacing (25 cm row) yielded higher (2.71 t ha^-1) than 20 cm and 30 cm row spacing.

Knowledge Management: Report/Proceedings