?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=K+L&rft.au=Sahrawat%2C+K+L&rft.aulast=Sahrawat&rft.isbn=9789380012407&rft.date=2013&rft.title=Nutrient+Deficiencies+and+their+Management+in+Soils+of+the+Semi-Arid+Tropical+Regions&rft.btitle=Climate+Change+and+Agriculture&rft.genre=bookitem