Selecciona los documentos para visualizarlos
Nombre del archivo | Ver recurso |
---|
Se han encontrado 9 recursos
The objectives of this study were to: (a) estimate milk and beef yields obtained from cows grazing pastures in different stages of degradation; (b) estimate income losses as a result of the degradation process; (c) estimate the proportion of pasture areas found in each stage of degradation within...
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 |
---|