000 00576nam a2200133Ia 45e0
008 140120n1971 xxk |||gr||||Z||||||eng
082 _a631
100 _aMinistry of Agri, Fisheries & Food,
_eAuthor.
245 0 _aTechnical Bulletin No. 21 : Trace Elements in Soils and Crops
_cMinistry of Agri, Fisheries & Food
_hTextual Documents
260 _aLondon
_bHer Majestys Stationary Office
_c1971
300 _a217.
653 _aTechniques, equipment & materials
942 _2ddc
_cTXT
999 _c25853
_d25853