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Effect of Irrigation and Mulch on the Growth and Yield of Cabbage in the Hilly Region

M.A. Rahman
Agricultural Research Station, Khagrachari,

D. Guha
Agricultural Research Station, Khagrachari,

P.C. Golder
Agricultural Research Station, Khagrachari,

M.A. Sattar
Agricultural Research Station, Khagrachari,

Abstract/ Executive Summary:

An experiment was conducted to determine the optimum requirement of water for cabbage in presence or absence of mulch at the Agricultural Research Station, Khagrachari. The growth and yield of cabbage increased with highest level of irrigation (209.37 mm water/ha), but in the presence of mulch maximum growth and yield were obtained with 161.72 mm water/ha.

Keywords: Cabbage, Growth, Yield , Mulch,Irrigation, Hilly region

Location: Agricultural Research Station, Khagrachari

Start Date: 00-11-1987

End Date: 00-01-1988

Program Area: Crop-Soil-Water Management

Commodity: Cabbage

Objectives:

To determine the optimum amount of water required for better growth and yield of cabbage in the presence or absence of mulch.

Methodology:

The experiment was undertaken at the valley area ( 5-10%) of Agricultural Research Station, Khagrachari during November-January, 1987-88, using the cabbage variety, Atlas-70. During the growing period of the crop the average monthly minimum temperature was 15.58? and the maximum was 37.11? with a total rainfall of 37.02 mm. The soils of the hilly region are derived from sandstone and siltstone sedimentary rocks with fairly low water holding capacity. Irrigation was applied on the basis of the measured amount of water. Five levels of irrigation, such as I₁, I₂, I₃, I₄ and I₅ were given at an interval of 10 days. Prior to every irrigation the available moisture content in the root zone was determined grammatically. Total water used by the plants was expressed as the summation of amount of irrigation water, rainfall and water depleted from the soil. Therefore, total water use at different levels of irrigation were calculated as I₁, =90.42, I₂ =113.82, I₃ =139.52, I₄ = 161.72 and I₅ = 209.37 mm water /ha. The experiment was laid out in randomized complete block design with four replication: each replication was accommodated with 20 plants using a spacing of 60 x 45 cm in 5.4 sq. meter plot. Mulches were given immediately after planting of 30 days old seedlings. Standard dose of fertilizer and their method of application were followed. Data on root length, fresh and dry weight of roots, number of unfolded leaves, diameter and weight of head were taken at the time of harvest. Yield per hectare was calculated from the weight of head.

Source of Information: Bangladesh Hort. 17 (1): 37-39, 1989 (ISSN 0379-4288)

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Irrigation significantly increased the yield and yield contributing characters of cabbage, except the length of roots, plant height and the number of loose leaves. The growth and yield of cabbage increased with highest level of irrigation (209.37 mm water/ha), but in the presence of mulch maximum growth and yield were obtained with 161.72 mm water/ha.

Knowledge Management: Journal