Acumulaçao de matéria seca, absorçao de N,P e K pelo cafeeiro (Coffea arabica L. cv. catuaí) com dois, tres, quatro e cinco anos de idade, nas fases fenológicas de repouso, granaçao e maturaçao vegetando em um latossolo vermelho amarelo, fase cerrado
From a coffee plantation situated on a Red-Yellow Latossol in the Santo Izidro farm near Salto, State of Sao Paulo, Brazil, coffee plants two three four and five years old were cut near the ground level of the soil at the following growth periods: July (grow almost nihil), January (pin-head stage) and June (ripe stage). The material was divided into stem, branches, leaves and fruits and dried at 80°C and analyzed for N, P, K, by laboratory conventional methods. The authors concluded: - During the months of January an June the five years old trees accumulated the greatest quantities of dry matter and nutrients in the fruits. - Fruits of five years old coffee trees export through-out the following percentages interms of the total content in the tree: N-45, P-56, K-62.
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| Format: | biblioteca |
| Published: |
1991
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| Subjects: | COFFEA ARABICA, CATUAI, ABSORCION DE NUTRIENTES, NITROGENO, FOSFORO, POTASIO, FERTILIZANTES NPK, FENOLOGIA, BRASIL, |
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