Data/hora: 05/06/2024 17:39:14

Biblioteca(s): 	Embrapa Florestas.	
Data corrente: 	24/10/2023	
Data da última atualização: 	24/10/2023	
Autoria: 	SÃO JOSÉ, J. F. B. de; VARGAS, L. K.; LISBOA, B. B.; VIEIRA, F. C. B.; ZANATTA, J. A.; ARAUJO, E. F.; BAYER, C.	
Afiliação: 	JACKSON FREITAS BRILHANTE DE SÃO JOSÉ, SUSTAINABLE PRODUCTION AND IRRIGATION OF RIO GRANDE DO SUL; LUCIANO KAYSER VARGAS, SUSTAINABLE PRODUCTION AND IRRIGATION OF RIO GRANDE DO SUL; BRUNO BRITTO LISBOA, SUSTAINABLE PRODUCTION AND IRRIGATION OF RIO GRANDE DO SUL; FREDERICO COSTA BEBER VIEIRA, UNIVERSIDADE FEDERAL DO PAMPA; JOSILEIA ACORDI ZANATTA, CNPF; ELIAS FRANK ARAUJO, CELULOSE RIOGRANDENSE; CIMELIO BAYER, UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL.	
Título: 	Soil carbon stock and indices in sandy soil afected by Eucalyptus Harvest residue management in the South of Brazil.	
Ano de publicação: 	2023	
Fonte/Imprenta: 	Soil Systems, v. 7, n. 93, 2023.	
DOI: 	https://doi.org/10.3390/soilsystems7040093	
Idioma: 	Português	
Conteúdo: 	Abstract: There has been limited research on the effect of eucalyptus harvest residue management on soil organic carbon (SOC) in subtropical environments. This research evaluated the effect on soil C indices of the following eucalyptus harvest residue managements: AR, with all forest remnants left on the soil; NB, where bark was removed; NBr, in which branches were removed; NR, which removed all residues; and NRs, which is same as NR but also used a shade net to prevent the litter from the new plantation from reaching the soil surface. C stocks within the soil depths of 0?20 cm and 0?100 cm increased linearly with the C input from eucalyptus harvest residues. In the layer of 0?20 cm, the lowest soil C retention rate was 0.23 Mg ha&#8722;1 year&#8722;1, in the NR treatment, while in the AR treatment, the retention rate was 0.68 Mg ha&#8722;1 year&#8722;1. In the 0?100 cm layer, the highest C retention rate was obtained in the AR (1.47 Mg ha&#8722;1 year&#8722;1). The residues showed a high humification coefficient (k1 = 0.23) and a high soil organic matter decomposition rate (k2 = 0.10). The carbon management index showed a close relationship with the C input and tree diameter at breast height.	
Palavras-Chave: 	Carbon management index; Forest residues; Plantação florestal; Residuos florestais; Sequestro de carbono; Soil health.	
Thesaurus Nal: 	Carbon sequestration; Plantation forestry.	
Categoria do assunto: 	K Ciência Florestal e Produtos de Origem Vegetal	
URL: 	http://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1157444/1/SoilSystems-2023-Zanatta.pdf	
Registro original: 	Embrapa Florestas (CNPF)	
Exemplares: 	CNPF - (58683-1) - UPC - AP - DD -  -  -  - DIS