Effects of Different Ages of Japanese Larix kaempferi Artificial Forest on Litters and Soil Physicochemical Characteristics

doi:10.11924/j.issn.1000-6850.casb15070001

Chinese Agricultural Science Bulletin ›› 2016, Vol. 32 ›› Issue (1): 12-16.doi: 10.11924/j.issn.1000-6850.casb15070001

Effects of Different Ages of Japanese Larix kaempferi Artificial Forest on Litters and Soil Physicochemical Characteristics

Received:2015-07-01 Revised:2015-08-04 Accepted:2015-08-25 Online:2016-01-28 Published:2016-01-28

Abstract

Abstract: The relationship between litter and soil nutrients was an important part in forest ecology research. In this study, Japanese larch (Larix kaempferi) plantations of different ages (respectively 9 a, 12 a, 18 a, 25 a, 30 a) in Xiaolong Mountain were investigated to study the effect of litter fall on soil physicochemical characteristics. The results showed that the annual litter production and accumulation increased with the stand age increase. The production was 2.97- 5.96 t/hm2, and the accumulation was 9.86- 17.71t/hm2, respectively. Litter decomposition increased with the stand age increase. The content of soil organic matter and nitrogen firstly increased and then decreased with the stand age increase. There was no obvious difference in the content of soil phosphorus among different stand ages. Soil pH value and field capacity increased with the stand age increase. Plantation litter fall, standing stock, decomposition rate were negatively correlated with soil bulk density, and positively correlated with soil organic matter, soil total nitrogen, K, P, pH value and the field capacity.

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Effects of Different Ages of Japanese Larix kaempferi Artificial Forest on Litters and Soil Physicochemical Characteristics

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