Based on the stationary observations from 1984 to 1989 at the Qingyuan forest farm of Yishan county,Guangxi,the amount of litterfall of 27-32 years masson pine plantation,23-28 years mixed plantation of Eucalyptus citriodora with masson pine and 40-45 years Quer-cus acutissima plantation was 548. 3,511. 8 and 479. 5g · m 2· a-1, respectively. Total amount of the nutrient elements(N,P,K,Ca,Mg,Mn,Cu ,Zn)of the litterfall returning to the soil was 0. 59278,0. 78789 and 1. 14750 g · m 2 · a-1, respectively. Soi...