TY - BOOK AU - Sehgal, Jawahar L. TI - Introductory pedology: soil genesis, survey and classification/by Jawahar L. Sehgal SN - 812723169-X U1 - 631.4 PY - 2006/// CY - Ludhiana PB - Kalyani Publishers KW - Agriculture and related technologies KW - Technology (Applied sciences) KW - Soils ER -