TY  - GEN
AU  - Khanna, S S
AU  - Yadav, D A
AU  - Yadav, D V
TI  - Practical manual for introductory courses in soils
U1  - 631.4 KHA 
CY  - Hissar, Haryana Agricultiral University
KW  - Soil - Introductory Courses/ Soil Conservation
ER  -