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Nutricao mineral do cafeeiro, 3: Recrutamento de B, Cu, Fe, Mn e Zn pelo cafeeiro (C. arabica L. cv Catuaí) com 2, 3, 4 e 5 anos de idade; nas fases fenológicas de repouso, granacao e maturacao vegetando em um latossolo vermelho amarelo, fase cerrado

by Cietto, S; Haag, H.P.
Publisher: 1989Subject(s): COFFEA ARABICA | CATUAI | NUTRICION MINERAL | OLIGOELEMENTOS | CONTENIDO DE NUTRIENTES | FENOLOGIA | COBRE | MAGNESIO | CINC | BORO | HIERRO | BRASIL | COFFEA ARABICA | TRACE ELEMENTS | PHENOLOGY | COPPER | MAGNESIUM | ZINC | BORON | IRON | BRAZIL | COFFEA ARABICA | OLIGOELEMENT | PHENOLOGIE | CUIVRE | MAGNESIUM | ZINC | BORE | FER | BRESIL In: Anais da Escola Superior de Agricultura Luiz de Queiroz (Brasil) v. 46(2) p. 403-431Summary: From a coffee plantation situated on a red-yellow latossol near Salto, SP, Brazil, coffee plants with two, three, four and five years old were cut near the ground level of the soil at the following growth periods: July (grown almost nil) January (pin head stage) and June (ripe stage). The material was divided into stem, branches, leaves and fruits and dried at 80 grade C. and analyzed by laboratory conventional methods. The greatest accumulation of Cu, Mn, and Zn occurs in the aerial parts of five year old coffee plants during the months of July, January and June. The accumulation of B and Fe differs during the different ages of the trees. In the fruits Fe accumulation does not show differences among the ages in the month of January. Fruits of five year old coffee trees export the following percentages in terms of the total content in the tree: B-30 percent, Cu-46 percent, Fe-26 percent, Mn-14 percent and 25 percent Zn
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From a coffee plantation situated on a red-yellow latossol near Salto, SP, Brazil, coffee plants with two, three, four and five years old were cut near the ground level of the soil at the following growth periods: July (grown almost nil) January (pin head stage) and June (ripe stage). The material was divided into stem, branches, leaves and fruits and dried at 80 grade C. and analyzed by laboratory conventional methods. The greatest accumulation of Cu, Mn, and Zn occurs in the aerial parts of five year old coffee plants during the months of July, January and June. The accumulation of B and Fe differs during the different ages of the trees. In the fruits Fe accumulation does not show differences among the ages in the month of January. Fruits of five year old coffee trees export the following percentages in terms of the total content in the tree: B-30 percent, Cu-46 percent, Fe-26 percent, Mn-14 percent and 25 percent Zn

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