Data/hora: 08/06/2024 20:17:19

Biblioteca(s): 	Embrapa Agrossilvipastoril; Embrapa Pecuária Sudeste.	
Data corrente: 	08/06/2020	
Data da última atualização: 	29/09/2020	
Autoria: 	GOMES, F. J.; PEDREIRA, B. C. e; SANTOS, P. M.; BOSI, C.; PEDREIRA, C. G. S.	
Afiliação: 	FAGNER JUNIOR GOMES, USP, ESALQ, Piracicaba-SP; BRUNO CARNEIRO E PEDREIRA, CPAMT; PATRICIA MENEZES SANTOS, CPPSE; CRISTIAM BOSI, USP, ESALQ, Piracicaba-SP; CARLOS GUILHERME SILVEIRA PEDREIRA, USP, ESALQ, Piracicaba-SP.	
Título: 	Shading effects on canopy and tillering characteristics of continuously stocked palisadegrass in a silvopastoral system in the Amazon biome.	
Ano de publicação: 	2020	
Fonte/Imprenta: 	Grass and Forage Science, v. 75, n. 3, p. 279-290, 2020.	
ISSN: 	1365-2494	
DOI: 	https://doi.org/10.1111/gfs.12478	
Idioma: 	Inglês	
Conteúdo: 	In silvopastoral (SP) systems, forage responses depend on the microenvironment in which the plants develop. Our objective was to evaluate canopy and tillering characteristics of shaded 'Marandu' palisadegrass [Brachiaria brizantha (Hochst A Rich) Stapf, syn. Urochloa brizantha] under continuous stocking in a SP system. Treatments were one full sun (FS) and three shaded systems (silvopasture, SP) corresponding to distances from tree groves: 7.5 m north (SP1), and 15 m (SP2) and 7.5 m south (SP3) studied during two rainy seasons (Year 1 and Year 2). The tree in the SP system was Eucalyptus urograndis (hybrid of Eucalyptus grandis W. Hill ex Maiden × Eucalyptus urophylla S. T. Blake). The photosynthetic active radiation was greater in FS (923 &#956;mol m&#8722;2s &#8722;1), followed by SP2 (811 &#956;mol m&#8722;2s &#8722;1), SP1 (727 &#956;mol m&#8722;2s &#8722;1) and SP3 (673 &#956;mol m&#8722;2s &#8722;1). Forage accumulation in FS was 15% greater than the mean of SP1, SP2 and SP3 (10,663 kg DM/ha). There was no difference in net accumulation of leaf, stem and dead material, averaging 3,302, 3,420 and 4,063 kg DM/ha respectively. Leaf accumulation and accumulation rate were greater in Year 2, and leaf accumulation rate was similar among treatments (19 kg DM ha&#8722;1 day&#8722;1). Leaf proportion increased 14% from Year 1 to Year 2. Specific leaf area was greater for treatments SP1 and SP3 (193 cm2/g). Tiller population density was similar across treatments in Year 1. Shaded palisadegrass maintains leaf productivity similar to FS under continuous stocking in an SP system.	
Palavras-Chave: 	Livestock forest integration; Mato Grosso; Productive planning; Silvopasture; Sinop-MT; Sustainable intensification.	
Categoria do assunto: 	F Plantas e Produtos de Origem Vegetal	
Registro original: 	Embrapa Agrossilvipastoril (CPAMT)	
Exemplares: 	CPPSE - (25122-1) - UPC - AP - DD - PROCI-2020.00044 - GOM - 2020.00092 - DIS
CPAMT - (1537-1) - UPC - AP - DD -  -  -  - DIS