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Titolo:
Effects of mechanical and chemical management of black oat on maize grown in succession and on alexandergrass control
Autore:
Argenta, G; da Silva, PRF; Fleck, NG; Bortolini, CG; Neves, R; Agostinetto, D;
Indirizzi:
UFRGS, Fac Agron, BR-91540000 Porto Alegre, RS, Brazil UFRGS Porto AlegreRS Brazil BR-91540000 BC40000 Porto Alegre, RS, Brazil
Titolo Testata:
PESQUISA AGROPECUARIA BRASILEIRA
fascicolo: 6, volume: 36, anno: 2001,
pagine: 851 - 860
SICI:
0100-204X(200106)36:6<851:EOMACM>2.0.ZU;2-N
Fonte:
ISI
Lingua:
POR
Keywords:
Zea mays; Avena strigosa; Brachiaria plantaginea; desiccation; crop management;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
26
Recensione:
Indirizzi per estratti:
Indirizzo: Argenta, G UFRGS, Fac Agron, Caixa Postal 776, BR-91540000 Porto Alegre, RS, Brazil UFRGS Caixa Postal 776 Porto Alegre RS Brazil BR-91540000 BCzil
Citazione:
G. Argenta et al., "Effects of mechanical and chemical management of black oat on maize grown in succession and on alexandergrass control", PESQ AGROP, 36(6), 2001, pp. 851-860

Abstract

The objective of this experiment was to evaluate the effects of mechanicaland chemical management of oat straw and of sowing dates of maize after oat desiccation on maize grain yield and on alexandergrass (Brachiaria plantaginea Link) infestation. In 1997/98, treatments were composed by two mechanical management systems of oat (rolled or not) and bare area as the control, by two herbicides (glyphosate and paraquat) applied to desiccate oat straw and by two maize sowing dates after desiccation (one and 15 days). In the1998/99 growing season, five management systems of oat straw (rolled, cleared and desiccated with glyphosate, glufosinate and paraquat) and a bare area used as check were tested. Delay of maize sowing date in 15 days after oat straw desiccation increased N accumulation, dry matter production per plant and grain yield of maize. Maize grain yield in succession to oat was not influenced by management system of oat straw. Rolling oat straw provided the best control of alexandergrass infestation.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 14/07/20 alle ore 13:16:09