000 00335nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aDONALD L. PLUKNEL; HOWARD B.S. SPRAGUE
245 0 _aDETECTING MINERAL NUTRIENT DEFICINCIES IN TROPICAL AND TEMPERATE CROPS
260 _bNil
260 _c1989
365 _b450.00
942 _cBK
999 _c162387
_d162387