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Response of BARI Bush Bean-2 at Different Levels of Nitrogen Fertilization

Basudeb Roy
Department of Agricultural Extension, Ministry of Agriculture, Govt. of the People’s Republic of Bangladesh, Bangladesh.

Alok Kumar Paul
Department of Soil Science, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

A. T. M. Shamsuddoha
Department of Soil Science, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

Abstract/ Executive Summary:

A field experiment was carried out at Sher-e-Bangla Agricultural University Research Farm during the Rabi season of 2008 to investigate the response of BARI Bush Bean-2 at different levels of nitrogen fertilization in respect of various yield components. The soil of the experimental area belongs to the ModhupurTract (AEZ No. 28) which had shallow red-brown terrace soil. The selected plot was medium highland and the soil series was Tejgaon. The experiment was laid out in an RCBD design with three replications. The experiment comprises 4 levels of nitrogen in the form of urea (0, 40, 80, and 120 kg ha^-1 N). The results obtained revealed that different levels of nitrogen showed significant variations on the different parameters studied. Among the different treatments of the study, the treatment N₈₀ (80 kg N) gave the highest pod length (11.15 cm), pod diameter (2.93 cm), average single pod weight (5.42 g), total pod weight plant^-1 (25.63 g), pod yield plot^-1 (1789.58 g) and pod yield hectare^-1 (4.37 ton). Thus the findings of the experiment revealed that the use of 80 kg N maximally influences the yield and yield contributing characters of BARI Bush Bean-2 in the selected red-brown terrace soil of the Tejgaon series.

Keywords: Yield; Bush bean; Nitrogen

Location: Sher-e-Bangla Agricultural University Research Farm, Sher-e-Bangla Nagar, and Dhaka.

Start Date: 00-08-2008

End Date: 00-03-2009

Program Area: Crop-Soil-Water Management

Commodity: Nitrogen, Bush bean

Objectives:

To investigate the response of BARI Bush Bean-2 at different levels of nitrogen fertilization in respect of various yield components.

Methodology:

The research work was conducted in Rabi season at Sher-e-Bangla Agricultural University Research Farm, Sher-e-Bangla Nagar, and Dhaka during the Rabi season of November 2008 to March 2009. It is located at 90.335°E longitude and 23.774⁰ latitudes. The treatment of the experiment was different dozes of Nitrogen viz. 0, 40, 80, 120 kg ha^-1. The experiment was laid out in Randomized Complete Block Design (RCBD) with 3 replications. The unit plot size was 2.4 m x 1.5 m (3.6 m²). The distance between the two plots was 50 cm and between blocks was 50 cm. The plots selected for the experiment were plowed on the 30^th of November 2008 and cross-plowed several times to obtain a good tilth. The manures and fertilizers like Cow dung, TSP (Triple Super Phosphate), MoP (Muriate of Potash), Gypsum, and Boric acid were applied at the rate of 5000, 2000, 60, and 5 kg ha^-1, respectively. The entire quantity of Cow dung, Gypsum, and Boric acid was applied during the final land preparation while full doses of TSP and half of MoP were at seed sowing time and the rest half MoP at 30 days after seed sowing. Seeds of BARI Bush Bean-2 were sown on 03 December 2008. The seeds were sown per hill at a depth of 5 cm and the seeds were covered with pulverized soil just after sowing and gently pressed with hands. Intercultural operations were done whenever required for getting better growth and development of the plants. Data were collected on pod length, pod diameter, average single pod weight, total pod weight plant^-1, pod yield plot^-1, and pod yield hectare^-1. The data obtained from the experiment were analyzed statistically using the MSTAT computer package program to find out the significance of the difference among the treatments. The mean values of all the treatments were calculated and analysis of variances for all the characters was performed by the ‘F’ (variance ratio) test. The significance of the differences among the pairs of treatment means was estimated by the Duncan Multiple Range Test (DMRT) at a 1 and 5% level of probability for the interpretation of results.

Source of Information: Asian Journal of Soil Science and Plant Nutrition - 6(1): 1-5, 2020

Article Link (Online Journal): DOI: 10.9734/AJSSPN/2020/v6i130076

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

This experiment was conducted to investigate the response of BARI Bush Bean-2 at different levels of nitrogen fertilization in respect of various yield components. Though the different treatments of the experiment (N₈₀ and N₁₂₀ kg ha^-1) performed similarly 80 kg ha^-1N performed best in all the studied characters. As for maximum output, an over-fertilized condition of nitrogen did not bring out any significant advantage, so excessive use of N fertilizer should avoid. Therefore, this dose of nitrogen fertilizer can be recommended for commercial cultivation of BARI Bush Bean-2.

Knowledge Management: Journal