Study on Biomass and Productivity of Larix Kaempferi Plantation
SHEN Zuo-kui,LU Sheng-ping,AI Xun-ru(School of Biological Seience and Technology,Hubei Institute for Nationlities, Enshi 445000,China)
24 sample plots of Larix kaempferi plantation were investigated in Changlingang National Forestry. Biomass of average trees′ organs was measured in the sample plots.The results showed:the biomass was estimated by means of W=a(D~2H)~b. The correlation coefficient came up to significant level.The biomass of various aged Larix kaempferi plantation tree′s organs coincided with Richards growth equation. The annual growth of single-tree came to its peak at the age of 26,the stand biomass reached 293.40 t/hm~(2) and the productivity came to 20.78 t/hm~(2) at the age of 24.