Keywords: R-3VAR1.JPG Regression analysis of crop yield and depth of watertable Transferred from http //nl wikipedia org nl wikipedia<br/> Original text eigen werk 2008-03-16 R J Oosterbaan at http //nl wikipedia org nl wikipedia Released into the public domain by the author nl wikipedia R Oosterbaan R J Oosterbaan original upload log page nl wikipedia R-3VAR1 JPG 2009-05-28 13 40 R Oosterbaan 640×480× 35822 bytes <nowiki> Grafiek opbrengst-grondwaterdiepte eigen werk 2008-03-16 R J Oosterbaan </nowiki> Drainage Water management Regression analysis |