不同密度湿地松林凋落物量及养分特性的研究

Abstract

Abstract: The annual amount of litter and nutrient return in different density Slash pine plan-tations，the existing storage of the litter，and the content of elements in the litter were measured and analysed．The results show that the annual amount of litter is 6191.5—7123.9kg/hm²·a．the existing storage of the litter on the stands is 9.75—17.4t/hm²．The annual return amount of litter nutrient is 90.43—105.09kg/hm²·a，and the total amount of nutrient stored in the litter is 191.16—281.89kg/hm²，in which the highest storage was occurred at the density of 3000 stems/hm²．The data above proves that forest litter forms a huge storage of nutrient，which plays an important role in main-taining site quality and raising forest productivity．

Key words: Slash pine, Litter, Nutrient return, Density

Xiang Wenhua;Tian Dalun;Cai Baoyu;Zhong Jiande. STUDIES ON THE AMOUNT OF LITTER AND NUTRIENT RETURN IN SLASH PINE PLANTATIONS WITH DIFFERENT DENSITY[J]. , 1997, 33(zk2): 175-180.

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STUDIES ON THE AMOUNT OF LITTER AND NUTRIENT RETURN IN SLASH PINE PLANTATIONS WITH DIFFERENT DENSITY

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