00756nam 2200241 450 2707762http://id.bnportugal.gov.pt/bib/porbase/270776220051110114438.00-13-027824-6esac002.iso/18-12-2015/7220000722120051110d2005 k y 0103 baengUSSoil fertility and fertillizers<an >introduction to nutrient managementJohn L. Havlin... [et al.]7th ed.New JerseyPearson, Prentice Hall2005XI, [1], 515 p.il.26 cm631.45BNporHavlinJohn L.070BeatonJames D070TisdaleSamuel L.070NelsonWerner L.070PTESACRPC