This is an application designed for professionals and agronomy students as well as for farmers and farm managers, for chemical control recommendation for annual and perennial crops. It is based on the book "Identification Manual and Weed Control - Direct and Conventional Planting - 7th. Edition 2014 "(the most complete work on chemical control and identification weed of cultivated land published in Brazil).
The identification of weeds is based on two photographs of each species in the stages of seedling and adult plant.
Chemical control is based on the tables of control levels presented in that book, but the recommendation is achieved fully automatically, by indicating the crop that want to control major weeds (up to 5 species) that can occur in the area (pre-emergency situation) or already existing in the area (post-emergency situation) and herbicide application so you want to make (pRE, posi, pOSt and Adult plant). The results are shown in control efficiency of order.