L'auteur, utilisant un modele mathematique matriciel etudie dans un travail anterieur, propose a partir de toutes les racines de l'equation...
Cutting sedge (Scleria pterota Presl.) is a common weed in pastures. It grows vigorously and forms patches in poorly drained soils and appears...
Three experiments with growing rats and two with pigs were carried out to evaluate a vitreous endosperm variety of high-lysine maize and to compare...
Bacterial blight of cassava is a serious problem in Central and South America and has been observed in parts of Africa. Symptoms include leaf...
In contrast to raising beef cattle under conditions of improved grasslands with heavy carrying capacity, we will define “extensive production systems...
The effect of inoculation and added nitrogen fertilizer on soybean variety TK-5 were studied in pot and field experiments. In the former bean yields...