?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=P&rft.au=Singh%2C+P&rft.aulast=Singh&rft.isbn=978-0-415-88277-4&rft.date=2011&rft.title=Increasing+crop+productivity+and+water+use+efficiency+in+rainfed+agriculture&rft.tpages=496&rft.btitle=Integrated+Watershed+Management+in+Rainfed+Agriculture&rft.genre=bookitem