Joshi, P. K. Impact of vertisol technology in India /by P. K. Joshi (and others) - Andhra Pradesh, India : International Crops Research Institute for the semi-Arid Tropics, 2002. - 33 p. - Impact series ; 10 . - Impact series ; 10 . ISBN: 9290664533 LCCN: 89501 Subjects--Topical Terms: Agricultura--India.Vertisoles.