Modelling and simulation of sprinkler deficit irrigation

被引：0

作者：

Tsay, Tswn-Syau ^{[1
]}

Ju, Shen-Haw ^{[2
]}

机构：

[1] Overseas Chinese University, Taichung 407, No. 100, Chiao-Guang Road

[2] Department of Civil Engineering, National Cheng Kung University, Tainan 701, No. 1, University Road

来源：

International Journal of Modelling and Simulation | 2012年 / 32卷 / 02期

关键词：

Deficit irrigation; Infiltration simulations; Sprinkler irrigation;

D O I：

10.2316/Journal.205.2012.2.205-5151

中图分类号：

学科分类号：

摘要：

Recent field research has indicated that deficit irrigation is appropriate for supplying water to crops under the problem of water scarcity. Deficit irrigation is to control the moisture content above some tolerable value without affecting crop yields. Sprinkler irrigation, one of the deficit irrigation, is considered in this research. The objectives of this study are to determine the minimum sprinkler irrigation time of the studied field - Taidong, Taiwan, to satisfy deficit irrigation and to identify the tested sprinkler irrigation characteristics about moisture content variation using numerical simulations. In this study, precipitation rate tests for the three different sprinklers were performed. A soil characteristic curve in the studied field was conducted and an axial-symmetric finite element model was modified from a verified model. The moisture content development versus time owing to sprinkler irrigation was simulated. The results indicated that the tested sprinklers sufficiently supply water within a 6-m long and 1-m deep domain during an irrigation period of 86,400 s when the initial moisture content is larger than that of the permanent wilting point. The results are helpful for the rotational irrigation policy making in Taidong, Taiwan.

引用

页码：69 / 77

页数：8

共 25 条

[1]

Pereira L.S., Oweis T., Zairi A., Irrigation management under water scarcity, Agricultural Water Management, 57, 3, pp. 175-206, (2002)

[2]

Fabeiro C., Martin De Santa Olalla F., De Juan J.A., Yield and size of deficit irrigated potatoes, Agricultural Water Management, 48, 3, pp. 255-266, (2001)

[3]

Home P.G., Panda R.K., Kar S., Effect of method and scheduling of irrigation on water and nitrogen use efficiencies of Okra (Abelmoschus esculentus), Agricultural Water Management, 55, 2, pp. 159-170, (2002)

[4]

Orta A.H., Erdem Y., Erdem T., Crop water stress index for watermelon, Scientia Horticulturae, 98, 2, pp. 121-130, (2003)

[5]

Girona J., Gelly M., Mata M., Arbones A., Rufat J., Marsal J., Peach tree response to single and combined deficit irrigation regimes in deep soils, Agricultural Water Management, 72, 2, pp. 97-108, (2005)

[6]

Hansen V.E., Israelsen O.W., Stringham G.E., Irrigation Principles and Practices, 471, (1979)

[7]

Keller J., Bliesner R.D., Sprinkle and Trickle Irrigation, 584, (1990)

[8]

(2008)

[9]

Chartzoulakis K., Drosos N., Water use and yield of greenhouse grown eggplant under drip irrigation, Agricultural Water Management, 28, pp. 113-120, (1995)

[10]

Fabeiro C., Martin De Santa Olalla F., De Juan J.A., Production of muskmelon (Cucumis melo L.) under controlled deficit irrigation in a semi-arid climate, Agricultural Water Management, 54, 2, pp. 93-105, (2002)

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