000 00412nam a2200121Ia 4500
008 220216s9999 xx 000 0 und d
100 _aKarthikakuttyamma M.
245 0 _aEffect of continuous cultivation of rubber (Hevea brasiliensis) on soil properties
260 _bPh.D. Thesis, University of Kerala, Trivandrum, India, 176 p.
_c1997
650 _aRubber cultivation
650 _aSoil property
942 _cBS
999 _c52575
_d52575