Year: 2022 | Month: December | Volume 9 | Issue 2
Evaluating the Impact of Drip Irrigation on Lettuce Yield in Polyhouse and Field Conditions
Santosh D.T.
K. Natraj
K. Prabhu Kumar
K. Sagar Kumar
Lalichetti Sagar
DOI:10.30954/2347-9655.02.2022.13
Abstract:
A study was carried out to examine the influence of different irrigation levels utilizing a drip irrigation system on lettuce grown in polyhouse and open field conditions during the winter months of November to February for two consecutive years at the Experimental Farm of the Centre for Smart Agriculture, Centurion University of Technology and Management in Odisha, India. The FAO-56 Penman-Monteith method was used to calculate reference evapotranspiration. It was determined that lettuce required 219 mm and 339 mm of water for growth in polyhouse and open field conditions, respectively. There were five treatments: four irrigation levels (120%, 100%, 75%, and 50% of crop water requirements) using drip irrigation in polyhouse and one treatment of 100% crop water applied via drip in open field conditions. The effects of these treatments were evaluated in terms of biometric and crop yield results. The results of the experiment revealed that providing 100% of the water requirement through drip irrigation in a polyhouse (T2) resulted in the greatest plant height, head diameter, number of leaves, fresh and dry weight of leaves, and crop yield. Cultivating lettuce in an open field had the lowest yield compared to all irrigation levels used in a polyhouse.
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