TY - BOOK AU - Aditya Kumar Singh TI - Soil Suitability For Crop Productivity SN - 978-81-8321-205-2 U1 - 631.42209544 SIN/SO PY - 2010/// CY - Udaipur PB - Agrotach Publishing Academy KW - introduction KW - concept and approaches KW - arid and semi- arid regions ER -