EN
The grassland afforestation is dedicated various reasons. In this way we can enlarge the supply of the woods on the market, hold-up the soil erosion, to reduce the soil humidity, to improvement the landscape, to diminish the wind energy and excess insolation for the animals, to demarcate the estates, to prevent the forest conflagration, to increase the biodiversity and as a consequence to receive the higher production from the same surface. These problems are the contents of the paper.