Now showing items 1-10 of 3202
Interferência e estudos fitossociológicos da comunidade infestante na cultura do sorgo sacarino
This research was carried out to evaluate the interference periods and phytosociological indexes of the weed community on sweet sorghum, hybrid CVSW 80007, cultivated for two seasons in a year. The treatments were based ...
A classification methodology for the risk of weed infestation using fuzzy logic
Despite modern weed control practices, weeds continue to be a threat to agricultural production. Considering the variability of weeds, a classification methodology for the risk of infestation in agricultural zones using ...
Determination of the critical period of weed control in corn using a thermal basis.
(Pesquisa Agropecuaria Brasileira, Brasilia, v.34, n.2, p.187-93, fev. 1999., 2011)
Effects of hand weeding strip and nitrogen fertilizer on corn plants
The objective of the present research was to evaluate effects of different strip weed control associated with nitrogen fertilizer on corn applied after planting. The experiment was set and conducted in Botucatu, São Paulo ...
Weed-soybean interference studies in Brazil
Recently, a notable shift in weed patterns has occurred in some soybean growing regions, as a result of tillage system change and herbicide use. The weed communities are very diversified and strongly interfere with soybean ...
Weed Colonization of Experimental Gaps in the Gaps in the Canopy of a Wheat Crop.
(Pesquisa Agropecuaria Brasileira, Brasilia, v.26, n.6, p.807-820, jun.1991, 2011)
Weed interference in the initial growth of meristem-grown sugarcane plantlets
(Univ Federal Campina Grande, 2018-09-01)
The use of new systems of sugarcane planting such as Plene (TM), Plene Evolve (TM), Plene PB (TM) and AgMusa (TM) requires specific studies on the initial interference of weed in the sugarcane crop. Me objective of this ...
WEED INTERFERENCE IN EGGPLANT CROPS
(Univ Fed Rural Semi-arido-ufersa, 2017-10-01)
Uncontrolled weed growth interferes with the growth eggplants and crop yields. To control weeds, the main weed species must be identified in crop growing areas and during weed control periods, as weed species might vary ...
Avaliacao de roundup e diret no controle de plantas daninhas na cultura da erva-mate (Ilex paraguariensis A. St. Hill.).
(In: CONGRESSO SUL-AMERICANO DA ERVA MATE, 2.; REUNIAO TECNICA DA ERVA MATE, 3., 2000, Encantado. Anais. Porto Alegre: Comissao dos Organizadores / Universidade do Rio Grande do Sul / Fundacao Estadual de Pesquisa Agropecuaria, 2000. p.278-281., 2016)