Conyza spp. have become a major weed around the world, mainly because of weed
resistance issues. The objective of this work was to test the hypothesis that the soyabean …

O objetivo deste trabalho foi avaliar a eficiência da sobressemeadura da soja, utilizando
plantas de cobertura, na redução da emergência de plantas daninhas e seus reflexos na …

Field experiment was conducted at Agricultural and Natural Resources Research Center of
Golestan Province, Iran, to determine the effects of tillage system and weed management …

Among the factors which affect crop productivity, there are weeds which compete for
environment resources. The objective of this work was to determine the periods of …

O grau de interferência depende da densidade de plantas daninhas que infestam a soja. O
objetivo deste trabalho foi avaliar características de crescimento e nutrição mineral da soja …

The use of pre-emergent herbicides is important for the current agricultural production
systems that present weeds resistant to herbicides. Considering the complexity of using …

Determining the periods of weed competition with crops helps the producer to choose the
most appropriate time to use weed control practices. This strategy allows for the reduction of …

A competição entre os recursos ambientais, imposta pela comunidade infestante, afeta o
crescimento, produtividade e qualidade final da soja, prejudicando a colheita, por …

Inadequate weed control is one of the main factors related to decrease in soybean
production. Weeds compete with crops by resources (water, light and nutrients). This …

Os períodos de convivência das espécies daninhas têm grande influência no crescimento
das plantas e na produtividade das culturas. Desse modo, objetivou-se com este trabalho …