Effect of different irrigation water regimes on water productivity of wheat crop

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Shakil Ahmed, Asif Ali Kaleri, Danish Manzoor, Ghulam Mujtaba Khushk, Masroor Hassan Solangi Waheed Ali Khaskheli, Ali Raza Gadahi, Rabia Laghari, Nisar Fatima Pathan

Abstract

Water is an important and limited resourcefulness in Pakistani agriculture, which is heavily reliant on rainfall, irrigation output, and dam water in the Indus basin. Water scarcity in the nation necessitates the development of innovative irrigation technologies and procedures that will aid in the efficient use of this valuable resource. In addition, to achieve high water usage efficiency, irrigations water management procedure should be follow. The experiment carried out in RCBD with three treatments. T1=35% soil moisture depletion level, T2=50% soil moisture depletion level and T3=65% soil moisture depletion level under basin irrigation method. Experiment Analysis of Variance (ANOVA) revealed a noteworthy distinction (P<0.05) for all growth and yield characteristics due to treatments. Maximum height of plant was (85.23 cm) observed under T1 as associated to T2 and T3. Maximum spike length (12.33cm) observed under T1 as associated to T2 and T3. Maximum grains spike-1 (65.66) recorded under T1 as linked to T2 and T3. Maximum seed index (50.33) recorded under T1 as linked to T2 and T3. Highest grain yield (1288.3 kg ha-1) noted under T1 as linked to T2 and T3. Maximum harvest index (44.36%) found under T1 as compared to T2 and T3. Crop water productivity was recorded higher (1.26 kg m-3) in under T1 as compared to T2 and T3. Water saving was recorded higher (59.00%) under T3 as compared to T2 and T1. Based on the present findings, it was concluded that T1 (35% soil moisture depletion level) resulted best performance in terms of plant growth such as taller plant height, longer spike length, higher grains spike-1, higher seed index and grain yield compared to T2 (50% soil moisture depletion level) and T1 (35% soil moisture depletion level). Maximum crop water productivity was recorded in basin irrigation method T1 (35% soil moisture depletion level) as compared to T2 (50% soil moisture depletion level) and T3 (65% soil moisture depletion level). Maximum water saving was recorded in basin irrigation method T3 (65% soil moisture depletion level) as compared to T2 (50% soil moisture depletion level) and T1 (35% soil moisture depletion level).


Keywords: Irrigation frequency; Net profit; Wheat; Water productivity; Yield


http://dx.doi.org/10.19045/bspab.2023.120149

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How to Cite
MASROOR HASSAN SOLANGI, Shakil Ahmed, Asif Ali Kaleri, Danish Manzoor, Ghulam Mujtaba Khushk,; NISAR FATIMA PATHAN, Waheed Ali Khaskheli, Ali Raza Gadahi, Rabia Laghari,. Effect of different irrigation water regimes on water productivity of wheat crop. Pure and Applied Biology (PAB), [S.l.], v. 12, n. 3, p. 1479-1489, sep. 2023. ISSN 2304-2478. Available at: <https://mail.thepab.org/index.php/journal/article/view/2694>. Date accessed: 25 apr. 2025.
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Research Articles

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