?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=R+D&rft.au=Ghodake%2C+R+D&rft.aulast=Ghodake&rft.date=1983&rft.title=Ex-Ante+Economic+Evaluation+Of+Improved+Vertisol+Technology%3A+Results+From+Whole-Farm+Modelling&rft.genre=proceeding