Kadlag, Ashok D Singh, B B Objective Soil Science For SAUs & ICAR -AIEEA PG Entrance , JRF,SRF,ARS ,ICAR-NET , Ph.D , Civil Services and Other Competitive Examination - New Delhi Daya Publishing House 2019 ISBN: 9789351249894 Dewey Class. No.: 577.076 / P19