Production of subsurface drip-irrigated okra under different lateral spacings and irrigation frequencies

IF 1 4区环境科学与生态学 Q4 WATER RESOURCES

Water SA Pub Date : 2023-04-28 DOI:10.17159/wsa/2023.v49.i2.3990

Narender Kumar, Sanjay Kumar, Darshana Duhan, Amandeep Singh, MS Sidhpuria, Sundeep Kumar Antil, Ashish Kumar, Vikas

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引用次数: 1

Abstract

In this study, an experiment was conducted to investigate the optimum lateral spacing and irrigation frequency for subsurface drip irrigated okra in the semi-arid region of Haryana (India). Two lateral spacings (45 cm and 60 cm) and four irrigation frequencies (daily, after 1, 2 and 3 days) were selected to grow okra in the Kharif season of 2019 and 2020. The effect on soil water dynamics, growth parameters, efficiency and yield were assessed using equal amounts of water under all the treatments on the basis of pan evaporation. The results from the study depict that the overall soil moisture decreased laterally, but increased vertically downward with the increase in the irrigation interval. On the basis of soil water dynamics, plant growth parameters, efficiency and yield of okra, it was concluded that subsurface drip irrigation with daily irrigation at 45 cm lateral spacing gives better performance than all other treatments in sandy loam soil. The present study highlights the significance of proper irrigation frequency and lateral spacing for maximum production of okra. Using these guidelines, the income of okra growers/farmers in the semi-arid region may be increased by choosing the best frequency and lateral spacing of subsurface drip irrigation.

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不同侧距和灌溉频率下地下滴灌秋葵的产量

本研究在印度哈里亚纳邦半干旱区进行了秋葵地下滴灌的最佳横向间距和灌溉频率试验。在2019年和2020年哈里夫季，选择了2个横向间距(45 cm和60 cm)和4个灌溉频率(每天、1天、2天和3天)种植秋葵。在蒸发皿蒸发量相等的基础上，评价了各处理对土壤水分动态、生长参数、效率和产量的影响。研究结果表明，随着灌溉间隔的增加，总体土壤湿度横向呈下降趋势，纵向呈下降趋势。综合土壤水分动态、植物生长参数、秋葵效率和产量等因素，在砂壤土上，地下滴灌日灌45 cm的处理效果较好。本研究强调了适当的灌溉频率和侧间距对秋葵产量最大化的重要性。在此指导下，半干旱区秋葵种植户可通过选择最佳地下滴灌频率和横向滴灌间距来提高收入。

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来源期刊

Water SA 环境科学-水资源

CiteScore

2.80

自引率

6.70%

发文量

审稿时长

18-36 weeks

期刊介绍： WaterSA publishes refereed, original work in all branches of water science, technology and engineering. This includes water resources development; the hydrological cycle; surface hydrology; geohydrology and hydrometeorology; limnology; salinisation; treatment and management of municipal and industrial water and wastewater; treatment and disposal of sewage sludge; environmental pollution control; water quality and treatment; aquaculture in terms of its impact on the water resource; agricultural water science; etc. Water SA is the WRC’s accredited scientific journal which contains original research articles and review articles on all aspects of water science, technology, engineering and policy. Water SA has been in publication since 1975 and includes articles from both local and international authors. The journal is issued quarterly (4 editions per year).