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AQUAMAN: a web-based decision support system for irrigation scheduling in peanuts

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Chauhan, Y. S., Wright, G. C., Holzworth, D., Rachaputi, R. C.N. and Payero, J.O. (2013) AQUAMAN: a web-based decision support system for irrigation scheduling in peanuts. Irrigation Science, 31 (3). pp. 271-283. ISSN 0342-7188

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Article Link: http://dx.doi.org/10.1007/s00271-011-0296-y


Peanut (Arachis hypogaea L.) is an economically important legume crop in irrigated production areas of northern Australia. Although the potential pod yield of the crop in these areas is about 8 t ha(-1), most growers generally obtain around 5 t ha(-1), partly due to poor irrigation management. Better information and tools that are easy to use, accurate, and cost-effective are therefore needed to help local peanut growers improve irrigation management. This paper introduces a new web-based decision support system called AQUAMAN that was developed to assist Australian peanut growers schedule irrigations. It simulates the timing and depth of future irrigations by combining procedures from the food and agriculture organization (FAO) guidelines for irrigation scheduling (FAO-56) with those of the agricultural production systems simulator (APSIM) modeling framework. Here, we present a description of AQUAMAN and results of a series of activities (i.e., extension activities, case studies, and a survey) that were conducted to assess its level of acceptance among Australian peanut growers, obtain feedback for future improvements, and evaluate its performance. Application of the tool for scheduling irrigations of commercial peanut farms since its release in 2004-2005 has shown good acceptance by local peanuts growers and potential for significantly improving yield. Limited comparison with the farmer practice of matching the pan evaporation demand during rain-free periods in 2006-2007 and 2008-2009 suggested that AQUAMAN enabled irrigation water savings of up to 50% and the realization of enhanced water and irrigation use efficiencies.

Item Type:Article
Business groups:Crop and Food Science
Additional Information:Chauhan, Yashvir S. Wright, Graeme C. Holzworth, Dean Rachaputi, Rao C. N. Payero, Jose O.
Subjects:Technology > Technology (General)
Plant culture > Food crops
Live Archive:22 Oct 2013 02:44
Last Modified:27 Jun 2024 05:12

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