000			00327 a2200133 4500
080			_a631.8 _bF 411
245	1		_aFertilizer requirements of tropical crops and soils
260			_aGermany
650			_aFertilizer Requirements
500			_aPart 1 : General part, preamble
100			_a _d
300			_a45 p.
901			_a85473
999			_c45287 _d45287