COMPARISON OF OPTIMIZED SOME WATER USE EFFICIENCY IN PADDY FIELDS OF RASHT

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AGHAJANI M.; NAVABIAN M.

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Paper Information

Journal: Journal of Water and Soil Year:2013 | Volume:26 | Issue:5 Page(s): 1277-1288

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Title

COMPARISON OF OPTIMIZED SOME WATER USE EFFICIENCY IN PADDY FIELDS OF RASHT

Author(s)

AGHAJANI M. | NAVABIAN M. | Issue Writer Certificate

Keywords

GENETIC ALGORITHMQ2

RICEQ3

OPTIMIZATION MODELQ1

SWAP MODELQ2

INTERMITTENT IRRIGATION MANAGEMENTQ2

Abstract

Water for RICE cultivation is one of the main inputs. The new administration of irrigated RICE is increase water efficiency and water conservation in the paddy fields. In this research, for optimization of INTERMITTENT IRRIGATION MANAGEMENT in proportion to water requirement of different stages of RICE growth was present an optimization-simulation model to maximize irrigation water, transpiration and evapotranspiration productivity Indexes. Irrigation water depth in stages of tiller, vegetative, maturity, harvest and irrigation intervals were selected as decided values in OPTIMIZATION MODEL. Simulation of plant growth stages, using the hydrological model SWAP and GENETIC ALGORITHM was used to solve the OPTIMIZATION MODEL to maximize agricultural productivity. Finally, the optimum amount of irrigation water productivity, transpiration and evaporation - transpiration were obtained 1.60, 2.90 and 1.33 (kg/m3) respectively. Results showed, irrigation water productivity index has more harmonize with Sefidroud irrigation network. Also the index is user-friendly in applying and calculating. So according to maximizing of water productivity index irrigation depth was recommended 51, 29, 39 and 11 mm respectively in stages of tiller, vegetative, maturity, harvest and and 8 days period of irrigation intervals to improve water productivity index in Hashemi variety in Rasht. Optimization results showed optimal intermittent irrigation is successive compared with flood irrigation in RICE.

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اثر دور آبیاری بر عملکرد محصول دانه جو و رشد آن

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APA: Copy

AGHAJANI, M., & NAVABIAN, M.. (2013). COMPARISON OF OPTIMIZED SOME WATER USE EFFICIENCY IN PADDY FIELDS OF RASHT. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 26(5), 1277-1288. SID. https://sid.ir/paper/141120/en

Vancouver: Copy

AGHAJANI M., NAVABIAN M.. COMPARISON OF OPTIMIZED SOME WATER USE EFFICIENCY IN PADDY FIELDS OF RASHT. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2013;26(5):1277-1288. Available from: https://sid.ir/paper/141120/en

IEEE: Copy

M. AGHAJANI, and M. NAVABIAN, “COMPARISON OF OPTIMIZED SOME WATER USE EFFICIENCY IN PADDY FIELDS OF RASHT,” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 26, no. 5, pp. 1277–1288, 2013, [Online]. Available: https://sid.ir/paper/141120/en

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