Abstract:The nutritional elements contained in the litter accumulated for 4 years from larch plantation were analyzed. It is found that the larch annually produces 3099.5kg/ha of oven-dried fallen materials composed of leaves,branches,bark and so on, and the broadleaved-trees produce 237.4kg/ha, totalling 3336.9kg/ha. The analysis results show that the concentiaticns of the nutrients vaiy significaatly with different litter containing leaves the most and bark the least. The elements that returned to the soil, includ...