Buscar
Mostrando ítems 1-10 de 921
Interferência e estudos fitossociológicos da comunidade infestante na cultura do sorgo sacarino
(2017-01-01)
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 ...
Towards an integrated weed management decision support system: A simulation model for weed-crop competition and control
(Elsevier, 2020)
A mathematical simulation model for the multi-annual assessment of Integrated Weed Management strategies is presented. The model allows the simulation of the competitive interaction between annual weeds and crops. For weed ...
Weed-Crop Competition in Pigeon Peas in Puerto RicoTítulo en inglés.
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1985)
Weed control strip influences the initial growth of Eucalyptus grandis
(Universidade Estadual de Maringá (UEM), Pro-reitoria Pesquisa Pos-graduacao, 2012-01-01)
Reforestation in Brazil is conventionally carried out with a 50-cm weed control strip, using mechanical or manual hoeing or herbicides. The aim of this study was to determine effects of varying the width of the herbicide-treated ...
Effects of density and sowing pattern on weed suppression and grain yield in three varieties of maize under high weed pressure
We tested the hypothesis that improved weed suppression
by maize can be achieved through increased crop
density and spatial uniformity. Field experiments on
three varieties of maize sown at three densities (5, 7
and ...
Towards an integrated weed management decision support system: A simulation model for weed-crop competition and control
(Elsevier, 2020-08)
A mathematical simulation model for the multi-annual assessment of Integrated Weed Management strategies is presented. The model allows the simulation of the competitive interaction between annual weeds and crops. For weed ...
Effects of hand weeding strip and nitrogen fertilizer on corn plants
(2005-01-20)
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 ...
Effects of hand weeding strip and nitrogen fertilizer on corn plants
(2005-01-20)
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 ...
Grass weed competition with bread wheat in Ethiopia. 1. Effects on selected crop and weed vegetative parameters and yield components
(African Crop Science Societyhttp://www.bioline.org.br/abstract?id=cs96081&lang=en, 2013)
Grass weed competition with bread wheat in Ethiopia. 2: Prediction of grain yield loss and implications for economic weed control
(African Crop Science Societyhttp://www.bioline.org.br/abstract?id=cs96082&lang=en, 2013)