crescimento de mudas de gravioleira (anonna muricata l.) em substrato com superfosfato simples e vermicomposto growing of soursup seedlings (anonna muricata l.) in substrate with simple superphosphate and earthworm

crescimento de mudas de gravioleira (anonna muricata l.) em substrato com superfosfato simples e vermicomposto growing of soursup seedlings (anonna muricata l.) in substrate with simple superphosphate and earthworm

;Carlos Alberto Spaggiari Souza;Fernando Luiz de Oliveira Corrêa;Vander Mendonça;Janice Guedes de Carvalho
technocom 2003 Vol. 25 pp. 453-456
173
souza2003revistacrescimento

Abstract

Objetivando avaliar o efeito de diferentes doses de superfosfato simples e vermicomposto no crescimento de mudas de gravioleira (Anonna muricata L.), conduziu-se um experimento no Setor de Fruticultura da Universidade Federal de Lavras. Foram testadas, num Latossolo, quatro doses de superfosfato simples (0,0; 2,5; 5,0 e 10,0 kg) e quatro doses de vermicomposto (0; 10; 20 e 40%) m-3 de substrato. O delineamento experimental utilizado foi blocos ao acaso em esquema fatorial 4 x 4, com 4 repetições. Foram realizadas as seguintes determinações: altura de plantas (cm), diâmetro do caule (cm), número de folha/planta, área foliar (cm².planta-1), matéria seca de folha, do caule e de raiz (g.planta-1). Os resultados demonstraram que a aplicação de superfosfato simples na dose de 5 kg e 40% de vermicomposto por m³ de substrato proporcionaram a obtenção de mudas de gravioleira mais vigorosas.
An experiment was conducted at the fruits sector of the Lavras Federal University -UFLA in order to evaluate the effect of different amounts of earthworm and simple superphosphate in the growing and nutrition of soursup seedlings (Anoma muricata L.). Four dosages of simple superphosphate (0,0; 2,5; 5,0 and 10,0 kg m-3 of substratum) and four dosages of earthworm (0,0%; 10,0%; 20,0% and 40,0% of volume) were tested at Latosol. The experimental design was randomized block in a two factors arrangement (4x4) with 4 replicates. The plants height (cm); stem diameter (cm); matter of the aerial part and roots (g per plant); number of leaves per plant and leaves area (cm².plant-1) were evaluated. The results showed that the use of simple superphosphate at 5kg m-3 with 40,0% of earthworm provided soursup seedlings with superior quality compared to the others.

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