Performance of cabbage at different irrigation levels under drip and microsprinkler irrigation systems^*

Abstract

Field experiments were conducted for 3 years to investigate an appropriate irrigation management strategy that would lead to increased cabbage productivity along with saving in irrigation water. Cabbage was grown with microsprinkler and drip irrigation methods with four irrigation levels based on crop evapotranspiration (ETc) as 0.8 ETc, 0.9 ETc, 1 ETc, and 1.1 ETc. It was found that cabbage crop performed better with the microsprinkler system than the drip system. All the growth-and yield-contributing characters in the microsprinkler irrigation method were significantly superior over drip irrigation. The maximum yield of cabbage was obtained by the microsprinkler method (37 t ha −1 ) with irrigation scheduling at 1 ETc followed by 0.9 ETc (35.5 t ha −1 ). However, highest water use efficiency (114 kg ha −1 mm −1 ) was obtained in drip irrigation with 0.9 ETc irrigation level, and the highest net income per mm of water (Rs 622) was obtained in drip irrigation with 1 ETc irrigation level.Microsprinkling gave 7.30% more yield of cabbage than the drip method, whereas the drip method saved 32% more water than the microsprinkler method. It is therefore recommended to adopt the microsprinkler irrigation method to obtain a potential yield of cabbage. However, when water is a limiting factor, it is recommended to grow cabbage with the drip irrigation method. K E Y W O R D Scabbage, India, irrigation levels, micro-irrigation, water productivity, water use efficiency RésuméDes expériences sur le terrain ont été menées pendant trois ans pour étudier une stratégie de gestion de l'irrigation appropriée qui entraînerait une augmentation de la productivité du chou ainsi qu'une économie d'eau d'irrigation. Le chou a été cultivé avec des méthodes d'irrigation par micro-aspersion et goutte à goutte avec quatre niveaux d'irrigation basés sur l'évapotranspiration des cultures (ETc) comme 0,8 ETc, 0,9 ETc, 1 ETc et 1,1 ETc. Il a été constaté que la récolte de chou fonctionnait mieux avec le système de micro-aspersion que le système goutte à goutte. Tous les caractères contribuant à la croissance et au * Performance du chou à différents niveaux d'irrigation avec des systèmes d'irrigation goutte à goutte et micro-aspersion

Effectiveness of snow harvesting and water productivity practices in combatting climate change‐induced drought in a Himalayan district of Nepal

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“…Drip irrigation is a highly efficient irrigation system (He & Baugher, 2019;Shinde et al, 2021) that supplies water in small quantities to the core root zones of plants.…”

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