Interference caused by the jack bean in weeds dynamics occurring in direct plantation systems of organic maize cultures
DOI:
https://doi.org/10.33240/rba.v9i2.49739Keywords:
legume, Canavalia ensiformis, population densities and handlingAbstract
The study aimed at assessing the populational dynamics of weeds along four crop years in singular cultures of maize and maize in association with jack beans in the organic no tillage plantation system with an intermediary conventional plantation. The treatments were: No tillage with the use of organic compound and herbicide application (PDT); No tillage with the use of organic compound and hoe weeding to prevent weed spread (PDO1); with the use of No tillage organic compound + jack beans with three plants arranged per linear meter and hoe weeding to prevent weed spread (PDO2) and No tillage with the use of organic compound + jack beans with six plants arranged per linear meter and hoe weeding to prevent weed spread (PDO3). The conclusion was that the association of maize with six units of jack beans displayed the greatest interference in the composition of weed communities and provided a reduction in the relative importance of species Artemia verlotorum, Bidens pilosa and Digitaria sp.
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