000			00308nam a22001337a 4500
003			OSt
008			240215b |||||||| |||| 00| 0 eng d
082			_aR631.8 _bF60C
100			_aF. A. O
245			_aCrop production levels and fertilizer use
260			_FF. A. O _c1981
300			_a69
942			_2ddc _cBK
999			_c37179 _d37179