INFLUENCE OF IRRIGATION MANAGEMENT ON SOIL MOISTURE AND ALFALFA YIELD INDICES DISTRIBUTION IN SPRINKLER SYSTEM

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MONTAZER A.A.; SADEGHI MOHSEN; RAHIMI KHOUB A.

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Journal: Iranian Journal of Irrigation and Drainage Year:2007 | Volume:1 | Issue:2 Page(s): 33-44

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Title

INFLUENCE OF IRRIGATION MANAGEMENT ON SOIL MOISTURE AND ALFALFA YIELD INDICES DISTRIBUTION IN SPRINKLER SYSTEM

Author(s)

MONTAZER A.A. | SADEGHI MOHSEN | RAHIMI KHOUB A. | Issue Writer Certificate

Keywords

ALFALFAQ2

SPRINKLER SYSTEMQ2

SOIL MOISTUREQ2

UNIFORMITYQ2

WATER USE EFFICIENCYQ3

Abstract

This study was conducted to investigate the effect of water management on SOIL MOISTURE and ALFALFA (Medicago sativa L.) yield indices distribution in solid-set SPRINKLER SYSTEM. Three experimental plots of 25*30 m were selected on a farm located in Varamin irrigation network. Each plot was subdivided into 25 subplots of 5*6 m. Different applied water and sprinkler water UNIFORMITY were achieved due to the nozzle pressure scenarios. In each subplot, irrigation depth was measured at 5 points below canopy and mean SOIL MOISTURE between surface and depth of 40 cm was also monitored at center of the subplot throughout the second cutting period. Also, ALFALFA hay yield, crop height, and leaf area index were measured after cutting. The results showed that sprinkler water and SOIL MOISTURE uniformities varied between 66-77 % and 88-91 %, respectively. The findings revealed that SOIL MOISTURE UNIFORMITY was around 18 % higher than sprinkler water UNIFORMITY. The mean range of variations of hay yield, LAI, and crop height for experimental plots were determined 3.167-3.714 t ha-1, 4.41-6.31, and 77.3-80 cm, respectively. Evaluations revealed that ALFALFA leaf area index depends on water management more than crop height and hay yield. With respect to the range of variations in both applied water and sprinkler water UNIFORMITY in the experimental plots, the range of variations of WATER USE EFFICIENCY was estimated 14.29-19.03 kg.ha-1 .mm-1. It indicated that water management has an important effect on both indices of ALFALFA hay yield and water productivity.

Cites

INVESTIGATION THE EFFECT OF GUN SPRINKLE IRRIGATION ON FORAGE YIELD AND WATER USE EFFICIENCY OF ALFALFA IN KHUZESTAN

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APA: Copy

MONTAZER, A.A., SADEGHI, MOHSEN, & RAHIMI KHOUB, A.. (2007). INFLUENCE OF IRRIGATION MANAGEMENT ON SOIL MOISTURE AND ALFALFA YIELD INDICES DISTRIBUTION IN SPRINKLER SYSTEM. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 1(2), 33-44. SID. https://sid.ir/paper/131656/en

Vancouver: Copy

MONTAZER A.A., SADEGHI MOHSEN, RAHIMI KHOUB A.. INFLUENCE OF IRRIGATION MANAGEMENT ON SOIL MOISTURE AND ALFALFA YIELD INDICES DISTRIBUTION IN SPRINKLER SYSTEM. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2007;1(2):33-44. Available from: https://sid.ir/paper/131656/en

IEEE: Copy

A.A. MONTAZER, MOHSEN SADEGHI, and A. RAHIMI KHOUB, “INFLUENCE OF IRRIGATION MANAGEMENT ON SOIL MOISTURE AND ALFALFA YIELD INDICES DISTRIBUTION IN SPRINKLER SYSTEM,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 1, no. 2, pp. 33–44, 2007, [Online]. Available: https://sid.ir/paper/131656/en

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