Results 71 to 80 of about 347 (97)

Fenologia da trapoeraba como indicador para tolerância ao herbicida glyphosate Phenology of bengal dayflower as indicator of glyphosate tolerance

open access: yesPlanta Daninha, 2013
Rotineiramente, tem sido desconsiderada a contribuição do estádio de desenvolvimento das espécies de plantas daninhas nas análises de tolerância ou resistência a herbicidas, o que pode resultar em divergências entre a pesquisa teórica e a aplicação ...
A.C.R Dias   +2 more
doaj   +1 more source

COMPETITIVIDADE RELATIVA DA SOJA EM CONVIVÊNCIA COM PAPUÃ (Brachiaria plantaginea) [PDF]

open access: yes, 2009
The ability of a certain plant to compete with another one is related to factors such as species, population, emergence period and morphophysiologic characteristics.
AGOSTINETTO, Dirceu   +4 more
core   +2 more sources

Dual-purpose wheat grain and animal production under different grazing periods [PDF]

open access: yes, 2011
The objective of this work was to evaluate the influence of different grazing periods on beef animal production and on wheat forage and grain yield. The experiment was carried out in Pato Branco, PR, Brazil. Six grazing periods were evaluated (0, 21, 42,
Alceu Luiz Assmann   +7 more
core   +2 more sources

Redução do espaçamento entrelinhas do milho e sua influência na dose do herbicida [PDF]

open access: yes, 2013
Management practices integration as an auxiliary tool in weeds chemical control in post emergence in corn crop (Zea mys L.) may reduce herbicide dose to be applied.
Agostinetto, Dirceu   +5 more
core   +1 more source

Avaliação de pontas de jato plano na deposição da calda de pulverização com diferentes combinações de plantas de feijão, Brachiaria plantaginea e Bidens pilosa Evaluation of flat fan nozzles in spray deposition on different combinations of bean blants, Brachiaria plantaginea and Bidens pilosa

open access: yesPlanta Daninha, 2010
Objetivou-se com este trabalho avaliar a ponta XR na deposição da calda de pulverização com diferentes combinações de plantas de feijão, Brachiaria plantaginea e Bidens pilosa, em dois volumes de aplicação, com e sem a adição de surfatante Silwet.
A.C.P. Rodrigues-Costa   +4 more
doaj   +1 more source

Estrutura do dossel e comportamento ingestivo de caprinos em pastos de papuã manejados sob lotação contínua [PDF]

open access: yes, 2019
The aim of this trial was to describe the canopy structure and grazing behavior of goats in Alexandergrass swards under continuous stocking. The treatments corresponded to four sward canopy heights (10, 20, 30, and 40 cm) maintained by variable stocking ...
Hill, João Ari Gualberto   +5 more
core   +1 more source

Broad spectrum effectiveness of pyroxasulfone + flumioxazin for weed control in pre-emergence of soybean

open access: yesRevista Agrogeoambiental
It is necessary to search for solutions to control weeds, focusing on pre-emergent herbicides. Pyroxasulfone + flumioxazin is believed to be effective in controlling weeds in soybean, as well as other pre-emergent herbicides used in this crop.
Leandro Paiola Albrecht   +7 more
doaj   +1 more source

Habilidade competitiva e n?vel de dano econ?mico de papu? (Urochloa plantaginea) em milho [PDF]

open access: yes, 2018
Corn is of great importance in the Brazilian economic scenario, and the alexandergrass (Urochloa plantaginea) is one of the weeds that cause the greatest damage to this crop, which, when uncontrolled, can reduce grain yields of up to 90%.
Frandoloso, Fernando Scarati
core  

Habilidade competitiva de milho com espécies de plantas daninhas em função da característica transgênica inserida [PDF]

open access: yes
New technologies developed to control weeds in crops have flourished in recent years. Therefore, the objective of this work was to study the competitive ability of maize hybrids 2B433 (Enlist®), Pioneer 30F53 (VYHR®), and 13K288 PWE (Enlist®) and a ...
Bernardi, Nathalia Dalla Corte   +7 more
core   +1 more source

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