000 00428nam a2200145Ia 4500
008 140208s9999 xx 000 0 und d
020 _a9780851989051
044 _aUnited Kingdom
080 _a631.8 C727E
100 _aColwell, J.D.
245 _aEstimating fertilizer requirements : a quantitative approach
_cJ.D. Colwell
260 _bCAB International
_aWallingford
_c1994
300 _ax, 262 p.; 24cm.
942 _2udc
_cGB
999 _c26429
_d26429