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Effect of Drip Irrigation System for Vegetables Cultivation in Salt Affected Areas of Bangladesh (2019-2020)

M. A. Hossain
CSO and Head
IWM Division, BARI, Gazipur

K. K. Sarker
SSO
HRC, BARI, Gazipur

S. S. A. Kamar
SO
IWM Division, BARI, Gazipur

Abstract/ Executive Summary:

Drip irrigation with mulch has the potential to increase yield with less applied water and fertilizer and controlled salinity by leaching salts from the root zone of the plant. Therefore, two field experiments on drip irrigation system with straw mulch were carried out for the cultivation of vegetables at the project sites of Amtali and Tildanga in coastal saline soils irrigated with low/medium saline water. The specific objectives of this study were (i) to assess the performance of drip irrigation system for vegetables, and (ii) to introduce and transfer the drip irrigation technology among the farmers. The results indicate that the growth of watermelon was observed favourable at the salt-affected area of Dacope but watermelon plants were damaged due to heavy rainfall. Except cauliflower and cabbage, all other vegetables were damaged. However, drip irrigation system may have the opportunity to cultivated the high value crops to irrigation with low/medium saline water in coastal regions of Bangladesh.

Keywords: Drip irrigation, Vegetables, Irrigation, Tomato, Watermelon, Brinjal, Chilli, Cabbage, Cauliflower

Location: Amtali and Tildanga in Coastal Region of Bangladesh

Start Date: 00-00-2018

End Date: 00-00-2019

Program Area: Crop-Soil-Water Management

Commodity: Water management, Vegetables, Water salinity

Objectives:

The specific objectives were

(i) to assess the performance of drip irrigation system for vegetables, and

(ii) to introduce and transfer the drip irrigation technology among the farmers

Methodology:

Two field experiments were laid out in a randomized complete block design with drip irrigation system for high value crops like as, tomato, watermelon, cauliflower, cabbage, brinjal and chilli etc. The drip irrigation system was installed of a solar pump with a 130W solar panel capacity supply to 500 litres storage tank for drip irrigation system (204 square meter: 5 decimal) for high value crops like tomato, watermelon, brinjal, chilli, cabbage, cauliflower etc into a pump and then into a holding tank via filters. The drip irrigation system was consisted as a network of a tank (500 litre), disk type filter, one sub main pipe ( dia), sub lateral pipe (dia), and emitters (emitter/each plant). A water tank (500 litres) was set at 2 m height above the ground maintained by manually or solar powered system. The treatments were (i) drip irrigation at 3-5 days intervals with straw mulch and conventional/farmers’ practices. Local hybrid of cauliflower, cabbage, chilli, watermelon and BARI tomato-14 were planted on 17 December 2018. Total plot size was 5 decimal at each location. Recommended fertilizer doses were used. The N and K were applied into four equal splits at 15, 30, 45 and 60 DAE using drip-fertigation.

Source of Information: Annual Research Report 2019-2020, Irrigation and Water Management Division, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Drip irrigation system may have the opportunity to cultivate the high value crop like watermelon to irrigation with low saline water in coastal regions of Bangladesh.

Knowledge Management: Report/Proceedings