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Response of Lentil to Different Levels of Irrigation

M. S. Alam
Department of Agronomy and Agricultural Extension, University of Rajshahi, Rajshahi-6205, Bangladesh.

J. Ferdous
Department of Agronomy and Agricultural Extension, University of Rajshahi, Rajshahi-6205, Bangladesh.

M. D. A. Mollah
Department of Agronomy and Agricultural Extension, University of Rajshahi, Rajshahi-6205, Bangladesh.

M. A. Alim
Department of Agronomy and Agricultural Extension, University of Rajshahi, Rajshahi-6205, Bangladesh.

Abstract/ Executive Summary:

A field experiment was conducted to study the response of lentil to different levels of irrigation. The experiment was laid out in a split plot design and comprised of six irrigation levels viz. control irrigation (I₀), irrigation at pre-sowing (I₁), irrigation at post sowing (I₂), irrigation at vegetative stage (I₃), irrigation at pre-flowering (I₄) and irrigation at post-flowering (I₅) and and four varieties of lentil viz. BARI masur-3 (V₁), BARI masur-4 (V₂), BARI masur-5 (V₃) and BARI masur-6 (V₄). Yield and yield components of lentil were investigated and all parameters were found statistically significant due to irrigation and varieties. The highest grain yield (1.87 t ha^-1) was recorded from I₄ irrigation and lowest (1.16 t ha^-1) was recorded from control irrigation. Seed yield gradually increased up to irrigation at pre flowering stage. The highest grain yield (1.65 t ha^-1) was produced by BARI masur-6 and the lowest one (1.11 t ha^-1) was found in BARI masur-3. Interaction effect of irrigation and variety was significant on grain yield. The highest grain yield (2.10 t ha^-1) was obtained from I₄V₄ combination and the lowest one (1.00 t ha^-1) from I₀V.

Keywords: Irrigation, Lentil, Variety,Yield.

Location:

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Lentil

Objectives:

To study the response of lentil to different levels of irrigation.

Methodology:

A field experiment was conducted to study the response of lentil to different levels of irrigation. The experiment comprised of six irrigation levels viz. control irrigation (I₀), irrigation at pre-sowing (I₁), irrigation at post sowing (I₂), irrigation at vegetative stage (25-30 DAS) (I₃), irrigation at pre-flowering (45-50 DAS) (I₄) and irrigation at post-flowering (70 DAS) (I₅) and four varieties of lentil viz. BARI masur-3 (V₁), BARI masur-4 (V₂), BARI masur-5 (V₃) and BARI masur-6 (V₄). The experiment was laid out following split-plot design assigning the irrigation levels in the main plot and varieties to the sub-plots. The treatments were replicated three times. The size of unit plot is 3mÎ4m. The experimental land was opened with a power tiller and subsequently 3 to 4 ploughing and cross ploughing with country plough followed by laddering was done to achieve a good tilth. Urea, Triple Super Phosphate (TSP) and MoP fertilizer were applied to the plots at the rate of 45, 85 and 35 kg ha^-1 at the time of final land preparation. All fertilizers were applied at the time of final land preparation and were thoroughly mixed to the soil. The seeds were sown on 10 November, 2010 at 25 cm apart. After sowing the seeds were covered with soil and slightly pressed by hands. The plots were irrigated as per experimental specifications. Drainage facilities were provided in the plot. Intercultural operations were done as and when necessary. Data on yield and yield components were recorded from ten randomly selected plants in each plot. The data were analyzed statistically using the analysis of variance technique and the mean differences among the treatments were adjudged by new Duncan’s Multiple Range Test (DMRT) (Gomez and Gomez, 1984) with the help of MSTAT software.

Source of Information: Bangladesh J. Seed Sci. & Tech. 17 (1 &2): 15-20 (2013) ISSN 1029 - 8800

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It may be concluded that irrigation of all the varieties at pre-flowering stage appeared as the best rate of irrigation in respect of grain and stover yield. It can be suggested that farmers can use BARI masur-6 with irrigation at pre-flower stage for better grain and stover yield of lentil.

Knowledge Management: Journal