An ample concept of plants fits harmful it as all and any plant found in indesejado place. However, many times, must be faced as allied. The found beneficial characteristics in the species can be many. The proteco of the ground against erosion is one of the aspects most significant of the harmful plants. The competition is the form more known of interference of the harmful plants on the cultures.

The resources that more frequent are citizens to the competition are nutrient essential minerals, water, light and space. Considering only the productivity of the farming, the ideal it is that during this period the cultures are kept clean. Word-key: Harmful plants, competition, production. IV Abstract The harmful plants ploughs responsible will be they causes the largest damages economics in the agriculture. In medium terms, 30 you agricultural 40% of reduction of production world championship ploughs attributed you the interference.

Beyond of those damages directors, the presence of the harmful plants reduces the agricultural efficiency, increasing the production costs. Wide concept of harmful plants frames her/it all and any plant found in place in wanted. However, lot of teamses, they should be faced allied. Beneficial The characteristics found in the species can be many. Soil protector The of the against erosion is one of the most significant aspects of the harmful plants. The competition is the form lives acquaintance of interference of the harmful plants on the cultures. The resources that lives frequently ploughs subject you the competition ploughs nutritious essential amminerals, to water, shines and space. Just considering the productivity of the farming, the ideal is that during that period the cultures plantation is maintained clean.