000			00487nam a2200157Ia 4500
008			130910s9999 xx 000 0 und d
020			_a9251023875
041			_aeng
082			_221st ed. _a631.8 _bVON/E: 2
100			_aVon Uexkull, H.R.
245			_aEfficient fertilizer use acid upland soils of humid tropics _cby H.R. Von Uexkull
260			_aRome : _bFood and Agriculture Organisation of the United Nations , _c1986
300			_ax, 59p.: ill.
653			_aTropics
942			_cEN _2ddc
999			_c1479 _d1479