01036nam0-22003491i-450 99000185977040332120190503121114.00-13-626806-4000185977FED01000185977(Aleph)000185977FED0100018597720021010d1999----km-y0itay50------baengSoil fertility and fertilizersan introduction to nutrient managementJohn L. Havlin, James D. Beaton, Samuel L.Tisdale, Werner L. Nelson6.Upper Saddle RiverPrentice-Hall1999X, 499 p.26 cmSuolo - fertilita631.422Beaton,James D.Havlin,John L.Nelson,Werner L.Tisdale,Samuel L.ITUNINARICAUNIMARCBK99000185977040332160 631.422 HAVJ 19998220FAGBCFAGBCSOIL fertility and fertilizers402079UNINAING01