Avaliação agronômica da aplicação do resíduo da indústria processadora de goiabas em pomar comercial de goiabeiras
Data
2011-06-01
Autores
Souza, Henrique Antunes de
Natale, William [UNESP]
Rozane, Danilo Eduardo [UNESP]
Título da Revista
ISSN da Revista
Título de Volume
Editor
Sociedade Brasileira de Ciência do Solo
Resumo
Dada a escassez de informações na literatura e a importância do manejo adequado de resíduos orgânicos na agricultura, objetivou-se avaliar os efeitos da aplicação do resíduo da indústria processadora de goiabas em um Argissolo Vermelho-Amarelo, determinando-se as alterações provocadas na química do solo, no estado nutricional de goiabeiras e na produção de frutos. As doses de resíduo aplicadas no pomar foram estabelecidas em função dos teores de N no resíduo. O delineamento empregado foi o de blocos casualizados, com cinco tratamentos e quatro repetições, sendo as doses do resíduo (moído) de 0, 9, 18, 27 e 36 t ha-1 (peso do material seco). Foram feitas três aplicações do resíduo: em 2006, 2007 e 2008. O resíduo da indústria processadora de goiabas promoveu aumento nos teores de P no solo; as goiabeiras apresentaram aumento dos teores de N, Ca, Mg e Mn; a produção de frutos foi alterada positiva e significativamente no terceiro ano do experimento.
Given the scarcity of information in the literature and the importance of a proper management of organic waste in agriculture, this paper evaluated the effects of applying residues of the guava processing industry to an Ultisol, by evaluating changes in soil chemical properties, in the nutritional status of guava plants and fruit production. The residue rates applied in the orchard were established according to the residue N content and evaluated in a randomized block design with four replications, and the rates of the (ground) residue were: zero, 9, 18, 27 and 36 t ha-1 (dry weight). Three residue applications were made: in 2006, 2007 and 2008. The residue of the guava processing industry increased soil P concentration, and the guava plants showed increased leaf levels of N, Ca, Mg and Mn, and fruit production was positively and significantly affected in the third year of the experiment.
Given the scarcity of information in the literature and the importance of a proper management of organic waste in agriculture, this paper evaluated the effects of applying residues of the guava processing industry to an Ultisol, by evaluating changes in soil chemical properties, in the nutritional status of guava plants and fruit production. The residue rates applied in the orchard were established according to the residue N content and evaluated in a randomized block design with four replications, and the rates of the (ground) residue were: zero, 9, 18, 27 and 36 t ha-1 (dry weight). Three residue applications were made: in 2006, 2007 and 2008. The residue of the guava processing industry increased soil P concentration, and the guava plants showed increased leaf levels of N, Ca, Mg and Mn, and fruit production was positively and significantly affected in the third year of the experiment.
Descrição
Palavras-chave
Psidium guajava, guava by-product, organic manuring, orchard, Psidium guajava, subproduto de goiaba, Adubação orgânica, pomar
Como citar
Revista Brasileira de Ciência do Solo. Sociedade Brasileira de Ciência do Solo, v. 35, n. 3, p. 969-979, 2011.