Selecciona los documentos para visualizarlos
Nombre del archivo | Ver recurso |
---|
Se han encontrado 28 recursos
The effect of shade on the growth and development of purple nutsedge (Cyperus rotundus L.) was studied to determine the feasibility of integrating cultural control (shading) with other control methods. Pots with tubers from the Departments of Córdoba and Valle were placed under shades of 0, 44, 5...
Information is lacking concerning the viability and longevity of weed seeds in tropical Latin America. This study observed the germinative ability of seeds of 20 weed species common in annual crops and 12 common pasture weeds for two years. They were collected, cleaned and stored dry in the labor...
The most serious weed problems faced by ranchers are comprised of brushy species. Foliar, cut-stump, basal and soil applications of herbicides were evaluated on the most common species on ranches of the North Coast of Colombia from 1972 through 1975. Most of the species tested were resistant to f...
Selecciona los documentos para visualizarlos
Nombre del archivo | Ver recurso |
---|