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Comparative Varietal Response of Bushbean to Organic and Inorganic Based Nitrogen Management

Taslima Akhter
M.S. Student
Department of Soil Science, Sher-e-Bangla Agricultural University, Dhaka-1207

Abstract/ Executive Summary:

A field experiment was carried out at the research field of Sher-e-Bangla Agricultural University, Dhaka (Madhupur Tract, AEA 28), during the rabi season from November 2011 to February 2012 to study the comparative varietal response of bush bean to organic and inorganic based nitrogen management on BARI bush bean. Of the tow varieties, Bari bush-1 determined the greater performance on flowers ((13.33 plot^-1), pods plot^-1 (543.3), pod weight (138.26 g plant^-1) and 6040.0 g plot^-1), pod yield (12.08t ha^-1) than that of other variety BARI bush-2. The variety BARI bush -1 (V₁) and 50 kg inorganic + 40 kg organic N ha^-1 (T₃) would be suitable variety and appropriate N dose for obtaining the better growth and higher yield as well as the treatment combination of V₁T₃ would be highly beneficial for higher production of bush bean.

Keywords: Comparative, Bushbean, Organic & inorganic, Nitrogen management

Location: Sher-e-Bangla Agricultural University Research Field

Start Date: 00-11-2011

End Date: 00-02-2012

Program Area: Variety and Species

Commodity: Bush bean

Objectives:

1.To investigate the performance of bush bean cultivars and inorganic and organic based N regarding to growth, yield and nutrient content of studied soil under AEZ-28

2. To identify the suitable bush bean cultivar on the aspect of growth and yield of bush bean

3. To find out the optimum doses of inorganic and organic based N for obtaining the higher yield of bush bean

4. To select the most effective interaction effect between bush bean cultivar and N doses regarding to growth and yield of bush bean.

Methodology:

Factor A: Two varieties of bush bean

V₁: BARI bush-1

V₂: BARI bush-2

Factor B: Five levels levels of inorganic and organic based nitrogen

T₁: inorganic N@ 90 kg ha^-1 from urea

T₂: inorganic N(urea)@ 70 kg ha^-1 + organic N(cowdung)@ 20 kg ha-¹

T₃: inorganic N(urea)@ 50 kg ha^-1 + organic N(cowdung)@ 40 kg ha-¹

T₄: organic N @ 90 kg ha^-1 from cowdung

T₅: control (without inorganic and organic N)

* * considering decomposed cowdung contain 0.1% N₂ (dry basis)

Source of Information: M.S. Thesis, Taslima Akhter, M.S. Registration: 05-01601, Department of Soil Science, Sher-e-Bangla Agricultural University, Dhaka-1207

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Of the tow varieties, Bari bush-1 determined the greater performance on flowers ((13.33 plot^-1), pods plot^-1 (543.3), pod weight (138.26 g plant^-1) and 6040.0 g plot^-1), pod yield (12.08t ha^-1) than that of other variety BARI bush-2. The variety BARI bush -1 (V₁) and 50 kg inorganic + 40 kg organic N ha^-1 (T₃) would be suitable variety and appropriate N dose for obtaining the better growth and higher yield as well as the treatment combination of V₁T₃ would be highly beneficial for higher production of bush bean.

Knowledge Management: Thesis