000 00411nam a2200133Ia 4500
008 220216s9999 xx 000 0 und d
100 _aWatson G A
245 0 _aLoss of ammonia by volatilisation from surface dressings of urea in Hevea cultivation
260 _bJournal of the Rubber Research Institute of Malaya
_c1962
300 _a77-90
700 _aChintet Tsoy
700 _aWong Phui Weng
942 _cJS
999 _c62285
_d62285