“…In Paraná state, the crop's second largest national producer (Conab, 2016), canola has emerged as an excellent cost-effective alternative for winter cultivation, with potential to replace wheat (Árrua et al, 2014) because of its advantageous prices and climate conditions. The southern region is considered to be the coldest in the country (Krüger et al, 2011). Besides being an adequate succession with soybean cultivation, canola can also be use as mulching (Kaefer et al, 2014).…”