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Growth and Yield of Soybean (glycine Max L.) as Influenced by the Application of Sulphur and Molybdenum

Biswas, B. R
Department of Agricultural Chemistry, Bangladesh Agricultural University, Mymensingh, Bangladesh

Shaila Sharmin, Zakir H. M
Department of Agricultural Chemistry, Bangladesh Agricultural University, Mymensingh, Bangladesh

Chowdhury, A. K.
Department of Agricultural Chemistry, Bangladesh Agricultural University, Mymensingh, Bangladesh

Talukder, N.M.
Department of Agricultural Chemistry, Bangladesh Agricultural University, Mymensingh, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at Bangladesh Agricultural University Farm, Mymensingh to study the growth and yield of soybean cv. Shohag in relation to different levels of added sulphur (0, 6, 12 and 18 kg S ha^-1) and molybdenum (0, 1, 2 and 3 kg Mo ha^-1). The results indicated that single and combined effect of different levels of sulphur and molybdenum had significant effect on growth and yield of soybean. Biological yield attributes viz., leaf area, leaf chlorophyll and total sugar content of soybean leaf were also significantly affected by the application of different levels of sulphur and molybdenum. The highest number of effective pod plant^-1(40.42), pod length (3.85 cm), grain and stover yield (1825 and 2883 kg ha^-1 respectively) and harvest index (39.60%) were found by the application of 12 kg S ha^-1. The maximum number of effective pod plant^-1 (39.67), grain and stover yield (1773 and 2767 kg ha^-1 respectively) and harvest index (39.05%) were obtained by the application of 2 kg Mo ha^-1 and the lowest from the control. However, it was evident from the present study that different growth parameters and yield of soybean were also influenced by sulphur and molybdenum interactions.

Keywords: Soybean, Growth, Yield, Sulphur and molybdenum.

Location: Bangladesh Agricultural University Farm, Mymensingh

Start Date: 00-12-2002

End Date: 00-04-2003

Program Area: Crop-Soil-Water Management

Commodity: Soybean

Objectives:

1. To investigate the effect of sulphur and molybdenum on growth, yield and yield attributes of soybean.

Methodology:

The study was conducted at the Farm of Bangladesh Agricultural University, Mymensingh during December, 2002 to April, 2003. The experiment was laid out in a Randomized Complete Block Design (RCBD) with 3 replications comprised of four levels of sulphur viz., 0, 6, 12 and 18 kg S ha^-1 from gypsum and four levels of molybdenum viz., 0, 1, 2 and 3 kg Mo ha^-1 from ammonium molybdate. The test crop soybean (Glycine max L.) cv. Shohag was also fertilized with TSP and MOP at the rates of 160 kg P2O5 and 110 kg K2O ha-1, respectively during final land preparation. The seeds of soybean were treated with biofertilizer (Rhizobium japonicum) before sowing at the rate of 30 g inoculum kg^-1 seeds. Recommended cultural practices were done for the normal growth and development of plants. Data on leaf area at three different growth stages, leaf chlorophyll and total sugar content were determined by Delta-T-programme, Yoshida method and phenol-H₂SO₄ method, respectively. At the same time, data on different growth parameters such as branch plant^-1, pod length, effective pod plant^-1, seed plant^-1, 100-seed weight, grain and stover yield and harvest index were recorded followed by standard methods and the mean values were analyzed for statistical interpretation.

Source of Information: J. Agrofor. Environ. 1(1): 2007; ISSN 1995-6983

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Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It was evident from the present study that different growth parameters and yield of soybean were also influenced by sulphur and molybdenum interactions.

Knowledge Management: Journal