The potential contribution of precision irrigation to water conservation

S.A. Al-Kufaishi; B.S. Blackmore; H. Sourell

The potential contribution of precision irrigation to water conservation

In: Precision Agriculture â05

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S.A. Al-Kufaishi

S.A. Al-Kufaishi ¹Royal Veterinary and Agricultural University, Department of Agricultural Sciences, Hojbakkegaard Alle 2, 2630 Taastrup, Denmark

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B.S. Blackmore

B.S. Blackmore ¹Royal Veterinary and Agricultural University, Department of Agricultural Sciences, Hojbakkegaard Alle 2, 2630 Taastrup, Denmark

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, and

H. Sourell

H. Sourell ²Federal Agricultural Research Center, Institute of Production engineering and Building Research,, Bundesallee 50 D, 38116 Braunschweig, German y

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Type:: Chapter

Pages:: 941â950

DOI:: https://doi.org/10.3920/978-90-8686-549-9_115

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The purpose of this paper was to assess the feasibility and significance of applying spatially variable irrigation under a central pivot system at the Federal German Agricultural Research Center, Braunschweig, Germany. The assessment was based on soil moisture holding capacity, soil depth variation and root development. Soil texture analysis was carried out by sampling on a 60 meter grid. The German Agro-Meteorological Model (AMBAV) was applied to simulate the water balance in the crop-soil-atmosphere system for the growing season 2003. The research findings were presented in terms of six scenarios: 20, 30, 40 mm water application depths per irrigation under both variable rate application (VRA) and uniform application (UA). The comparison revealed that the loss of water was higher for the UA scenarios than that for the VRA scenarios for the applications of 20 and 30 mm. The VIR scenario of 20 mm water application was found out to be the best option for water conservation.

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Precision Agriculture â05

E-Book ISBN:: 9789086865499

Publisher:: Wageningen Academic

Print Publication Date:: 24 Oct 2005

Subjects
- Life Sciences
  - General
  - Agriculture & Environment

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The potential contribution of precision irrigation to water conservation

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