00552nam a2200193Ia 4500001001000000003000500010008004100015010001100056040000900067082001800076100002600094245007800120260004000198300001000238650001400248650002900262650002400291650004300315Para_7138CHAP220125s1958 xx 000 0 und d a206024 cCHAP aPA 634.35 D45 aDelfs-Fritz, Wolfgang aCitrus fruits cultivation and fertilization /c by Wolfgang Delfs-Fruits aBocum, Alemania :b Ruhr-Stickstoff a70 p. aCitricos aCitricos x enfermedades aCitricos x plagas aFertilizantes x efecto en cítricos