参考文献/References:
[1]肖慈英,阮宏华,屠六邦.宁镇山区不同森林土壤生物学特性的研究[J]. 应用生态学报,2002,13(9) 10771081.[2]林德喜,韩金发,肖正秋,等.米老排对土壤理化性质的改良[J]. 福建林学院学报, 2000, 20(1) 1216.[3]胡振宇,王金锡,彭培好,等.川中丘陵区防护林改良土壤作用研究[J]. 四川林业科技,2003,24(3) 59.[4]SHI Y H. Study on soil improvement of shelterforest in Duanfangxi valley within the Three Gorges Reservoir Area (In Chinese)[J]. Environmental Science and Technology, 2000, 23(90) 4649.[5]XIA H P, YU Q F, ZHANG D Q. The soil acidity and nutrient contents, and their characteristics of seasonal dynamic changes under 3 different forests of Dinghushan Nature Reserve (In Chinese)[J]. Acta Ecologica Sinica, 1997, 17(6) 8391.[6]KEEVES A. Some evidences of loss of productivity with successive rotations of Pinus radiatain southeast of South Australia[J]. Australian Forestry, 1996, 30(6) 5163.[7]潘湘海,朱晓青,李永东,等. 塞罕坝华北落叶松人工林土壤肥力的研究[J]. 河北林业科技, 2001(6) 57.[8]杨茂生,谢会成. 引种的华北落叶松人工林对土壤影响的研究[J]. 西北林学院学报,2002, 17(3) 3537.[9]廖利平,陈楚莹,张家武,等. 人工林生态系统持续发展的调控对策研究[J]. 应用生态学报,1996,7(3) 225229.(下转第189页)