TY  - BOOK
AU  - Krishnakumar A K
TI  - Soils under Hevea in India: A physical, chemical and mineralogical study with a reference to soil moisture cation influence on yield of Hevea brasiliensis
PY  - 1989///
PB  - Ph.D. Thesis. Indian Institute of Technology, Kharagpur, 1989
ER  -