000 00319nam a2200109Ia 4500
008 220216s9999 xx 000 0 und d
245 0 _aRubber based intercrops
260 _bAdvisory Circular No.2001/01, Rubber Research Institute of Sri Lanka.p.1-15.
650 _aIntercropping
650 _aRubber lands
942 _cJS
999 _c67469
_d67469