A simple visual aid for sugarcane irrigation scheduling |
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| Affiliation: | 1. Lab. of Remote Sensing and Climate information, Chinese Academy of Meteorological Sciences, Beijing 100081, China;2. Lab. for Digital Earth Sciences, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100094, China;3. University of Chinese Academy of Sciences, Beijing 100049, China;1. State Key Laboratory Base of Eco-Hydraulic Engineering in Arid Area, Xi’an University of Technology, Xi’an 710048, China;2. Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;1. Biological and Agricultural Engineering (BAEN) Department, Texas A & M University, College Station, TX 77840, United States;2. Civil Engineering Department, Texas A & M University, College Station, TX 77840, United States;3. Glenn Department of Civil Engineering, Clemson University, Clemson, SC 29634, United States;1. School of Earth Sciences, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia;2. School of Environmental Science, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia;1. Department of Remote Sensing and GIS, Vidyasagar University, West Bengal, India;2. Centre of Atmosphere, Ocean and Space Studies, Institute of Interdisciplinary Studies, University of Allahabad, Uttar Pradesh, India;3. Indian Institute of Remote Sensing, Indian Space Research Organization, Uttarakhand, India;4. Department of Geography, University of Allahabad, Uttar Pradesh, India;1. Ryerson University, Toronto, Canada;2. Simon Fraser University, Burnaby, Canada;3. Technical University of Denmark, Lyngby, Denmark;4. Leibniz University Hannover, Germany;5. University of Melbourne, Australia;6. University of Zurich, Switzerland;7. University of New South Wales, Australia;8. University of Gävle, Sweden;9. University College London, UK;10. University of Twente, The Netherlands |
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| Abstract: | Irrigation scheduling based on soil water balance is a simple procedure that can be operated either manually or using computer programs. Adoption of the procedure is still low due to lack of soil water parameters and availability of climatic information. Furthermore, potential users are deterred by both the time and paper work required to carry out the calculations. In this study a visual device in the form of a plastic container was designed and tested to schedule sugarcane (Saccharum spp.) irrigation. The calibrated plastic bucket was field tested and proved to be an effective way to program sugarcane irrigation. It works simultaneously as a pluviometer and as an evaporimeter and, once it is marked, there is no need for human intervention beyond checking the position of the water level in relation to the irrigation control marks. It could be used with other crops and is useful for regions where meteorological data is scarce or difficult to obtain. |
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