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Weed communities respond to changes in the diversity of crop sequence composition and double cropping
(Wiley Blackwell Publishing, Inc, 2017-06)
Agricultural intensification, besides increasing land productivity, also affects weed communities. We studied weed shifts in cropping sequences differing in the identity and number of crops grown. We also evaluated whether ...
Changes in Weed Communities of Spring Wheat Crops of Buenos Aires Province of Argentina
(2014-03)
During 2004 to 2008, weed surveys were conducted in 373 wheat fields of two different cropped areas (southwest [SW] and southeast [SE]) of the southern region of Buenos Aires Province of Argentina where different weed ...
Weed interference on maize (Zea mays) under no tillage system
(Marcel Dekker Inc, 2005-01-01)
A field trial was carried out in Brazil in March 2002 with the aim to evaluate the effects of different timing and extension of weedy period on maize productivity. The hybrid Pioneer 30K75 was sowed under 7 t ha(-1) mulching ...
Weed interference on maize (Zea mays) under no tillage system
(Marcel Dekker Inc, 2005-01-01)
A field trial was carried out in Brazil in March 2002 with the aim to evaluate the effects of different timing and extension of weedy period on maize productivity. The hybrid Pioneer 30K75 was sowed under 7 t ha(-1) mulching ...
Critical periods of weed control in naturally green colored cotton BRS Verde
(Elsevier B.V., 2014)
Periods of weed interference in maize crops cultivated in the first and second cycles
(2016-09-01)
The interference of weeds in maize production may be reflected in grain yield losses that vary as a function of the density, stage and degree of aggressiveness of the species present. In the agricultural ecosystem, crops ...
Interferência e estudo fitossociológico da comunidade infestante em beterraba de semeadura direta
(Sociedade Brasileira da Ciência das Plantas Daninhas, 2014)
Interferência e estudo fitossociológico da comunidade infestante na cultura da beterraba transplantada
(Universidade Estadual de Maringá (UEM), Pro-reitoria Pesquisa Pos-graduacao, 2008-07-01)
The objective of this research was to Study the phytosociological and critical interference periods of weed communities Oil transplanted beets. The treatments consisted of increasing weekly weedy/weed-free periods, starting ...