American Society of Agricultural and Biological Engineers

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Automatic Control System Of Groundwater Table For Subsurface Irrigation

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  012015,  2001 ASAE Annual Meeting. (doi: 10.13031/2013.3819) @2001
Authors:   Rauno Peltomaa, Pertti Vakkilainen
Keywords:   Subsurface irrigation, subsurface drainage, automatic subsurface irrigation, agriculture, nutrient load, crop yield

Drainage for agriculture is essential in Finnish circumstances. Since 1995 controlled drainage has been part of the national agricultural environmental program. The development project aims to promote farmers to operate and manage the outlets of subsurface drainage systems and the pumps of subsurface irrigation. The task of the present project was to develop an automatic system to control the water table including the possibility to recycle the drainage water. The project aims also to promote efficient water use, help water conservation, to maximise work efficiency of water table management, to give better image for farmers as users of modern technology and help them to use economical production methods. The solution was supposed to serve especially subsurface drainage on sandy potato fields.

The project was mainly financed by EMOTOR program of EU and made in practice by Finnish Field Drainage Centre under supervision of the University of Oulu. The region has a special status as the High Grade Seed Potato growers of EU. The pilot system has been built in autumn 2000 and will be tested in practice during the growing season of 2001.

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