Abstract
The dynamics of the weeds in the areas of crop-livestock integration is constantly changing depending on the various uses of the area. This study identified and quantified the floristic composition of weeds in areas of integration of maize for silage with Urochloa ruziziensis cv. Common at different densities of grass (0, 4 and 10 kg·ha-1) to grazing of beef cattle. The experimental design was completely randomized. A square of side0.5 m(0.25 m2area) was launched 24 times in each study area. The survey was conducted at the grain filling stage of maize. The specie contained in each frame were identified and counted. The phytosociological survey identified 9 families of weeds in areas assessed, with 7 families in every area of integrated cultivation maize with Urochloa ruziziensis at densities of 10 kg·ha-1 and 4 kg·ha-1 and 8 families in the area of maize cultivated alone. The Asteraceae family was the most represented in number of species. Sida spp (Malvaceae) showed greater potential to cause damage to maize. Urochloa ruziziensis at planting density of 10 kg·ha-1 provided greater competition with weeds in the integration with maize.
Highlights
The dynamics of occurrence of weeds was changed with the advancement of the concepts of use of agricultural areas, from monocultures with soil preparation to crop rotation, tillage and crop-livestock integration because in these areas the environment is constantly changing according to its use
The study areas consisted of: 1) Maize integrated with two lines Urochloa ruziziensis at planting density of 10 kg∙ha−1; 2) Maize integrated with two lines of Urochloa ruziziensis at planting density of 4 kg∙ha−1 and 3) Maize cultivated alone (Figures 1(a)-(c))
Maize was used for silage and Urochloa ruziziensis cv
Summary
The dynamics of occurrence of weeds was changed with the advancement of the concepts of use of agricultural areas, from monocultures with soil preparation to crop rotation, tillage and crop-livestock integration because in these areas the environment is constantly changing according to its use. In this diversity of cultures and weed species is needed to understand which species can cause problems to focus on control techniques in the man-. Common at different planting densities to grazing of beef cattle
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
