text New Delhi S. Shand 1977 Ind iv, 285 p.: ill.; 22 cm. iv, 285 p.: ill.; 22 cm. SHUKLA, R.S. ECOLOGY SOIL SCIENCE 631.4 631.4SHUp INLIS000000000009506 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)