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Determination of Optimum Water Requirement of BINA Developed Chickpea Varieties

Dr. M. H. Ali
SSO
BINA

M. A. Rahman
SSO
BINA

M. H. Zaman
SO
BINA

Abstract/ Executive Summary:

The experiment was aimed to find out the optimum water requirement of some chickpea varieties developed by BINA. BINA sub-station, Magura was selected for this experiment. Chickpea seeds were sown on 30^th November 2012.. The experimental design was RCBD (with split-plot) having irrigation treatments in the main plots and chickpea varieties in the sub-plots. The irrigation treatment were: T₁ = Control (no irrigation), T₂= Irrigation at vegetative stage (25-30 DAS), T₃= Irrigation at flowering stage (45-50 DAS), and T₄ = Irrigation at vegetative stage (25-30 DAS) and flowering stage (45-50 DAS). The varieties were: V₁ = Binasola-5; V₂ = Binasola-6 and V₃ = Binasola-4. Irrigation water was applied up to field capacity as per treatment. Irrigation treatments had significant effect on plant height, seed per pod, branch per plant and seed yield. The varieties had significant effect on plant height, seed per pod, branch per plant and seed yield of chickpea. The highest seed yield (1.87 t ha^-1) was obtained from T₁ treatment which received no irrigation, and Binasola-5 produced the highest yield (1.20 t ha^-1). When irrigation was applied, yield gradually reduced. The highest water use efficiency (263.01 kg ha^-1cm^-1) was also found in T₁ treatment.

Keywords: Irrigation, Checkpea, Water management, Water use efficiency

Location: Magura

Start Date: 30-11-2012

End Date: 28-03-2013

Program Area: Crop-Soil-Water Management

Commodity: Chickpea

Objectives:

To find out the optimum water requirement of some chickpea varieties developed by BINA.

Methodology:

Chickpea seeds were sown on 30^th November 2012.. The experimental design was RCBD (with split-plot) having irrigation treatments in the main plots and chickpea varieties in the sub-plots. The irrigation treatment were: T₁ = Control (no irrigation), T₂= Irrigation at vegetative stage (25-30 DAS), T₃= Irrigation at flowering stage (45-50 DAS), and T₄ = Irrigation at vegetative stage (25-30 DAS) and flowering stage (45-50 DAS). The varieties were: V₁ = Binasola-5; V₂ = Binasola-6 and V₃ = Binasola-4. Irrigation water was applied up to field capacity as per treatment. Soil moisture was measured by gravimetric method up to 60 cm for every 15 cm intervals at the time of sowing, before and after irrigation and at harvest. Other cultural practices were followed as and when necessary. The crop was harvested on 28^th March, 2013. All agronomic data were collected at harvest time. Meteorological data (maximum temperature, minimum temperature, maximum relative humidity, minimum relative humidity, sunshine hour, and rainfall) were also collected.

Source of Information: Annual Report 2012-13, Bangladesh Institute of Nuclear Agriculture, pp.166-167

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It can be concluded that the chickpea cultivars do not need any irrigation at Magura, rather it reduces yield.

Knowledge Management: Report/Proceedings