@article{fdi:010040696, title = {{D}isponibilidade de cobre, ferro, mangan{\^e}s e zinco em solos sob pastagens na {R}egiĆ£o do {C}errado = {A}vailability of copper, iron, manganese and zinc in soils under pastures in the {B}razilian {C}errado}, author = {{V}endrame, {P}. {R}. {S}. and {B}rito, {O}. {R}. and {Q}uantin, {C}. and {B}ecquer, {T}hierry}, editor = {}, language = {{POR}}, abstract = {{T}he objective of this work was to describe the total and available {C}u, {F}e, {M}n and {Z}n contents, and their relation with the oxisols acidity, fertility, texture and mineralogy under {C}errado pastures. {T}he soil samples were taken from three regions: along the highways {GO}-060 and {BR}-154, between the towns of {G}oiania, {GO}, and {B}arra do {G}arcas, {MT}; in the northeast of the {S}tate of {M}inas {G}erais, in the towns of {U}nai and {P}aracatu, {MG}; and in the {F}ederal {D}istrict. {F}ifty-four soil samples were collected from the 0-20 cm layer. {A}vailable quantities of {C}u, {F}e, {M}n and {Z}n ({DTPA} extracted) were related to: total contents, chemical variables, soils texture and mineralogy, through the analysis of the principal components. {T}he available and total {C}u, {F}e, {M}n and {Z}n content varied greatly. {T}he availability of {F}e, {C}u and {M}n related mainly to the crystalline iron and p{H} in water. {T}he availability of {Z}n was mainly related to the soil exchange capacity. {Z}n was considered the most frequent limiting micronutrient for {C}errado pasture development.}, keywords = {principal component analysis ; oxisols ; p{H} ; crystalline iron ; {DTPA}}, booktitle = {}, journal = {{P}esquisa {A}gropecuaria {B}rasileira}, volume = {42}, numero = {6}, pages = {859--864}, ISSN = {0100-204{X}}, year = {2007}, URL = {https://www.documentation.ird.fr/hor/fdi:010040696}, }