第1个回答 2009-06-01
Forest soil is forest ecological system in a very important part of the tree, is the material base, the survival of the soil ecological and have been the focus of research workers. Maintain and improve forest soil fertility has become the forest ecosystem stable and sustainable development of forestry. Forest soil fertility is mainly manifested in the soil has a good physical and chemical properties and high productivity, the forest soil physical and chemical properties of soil fertility of the decision. The influence of soil forest is mainly through the litter humus and mineral process and the physiological and biochemical root and the soil to realize. People in the significance of sustainable development, in order to enhance the stability of the forest ecosystem and ecological benefits and economic forest in the artificial cultivation.