欢迎访问林业科学,今天是

林业科学 ›› 2001, Vol. 37 ›› Issue (5): 10-15.doi: 10.11707/j.1001-7488.20010503

• 论文及研究报告 • 上一篇    下一篇

杉木、马尾松轮作对林地土壤肥力和林木生长的影响

张鼎华 叶章发 李宝福   

  1. 福建师范大学生物工程学院,福州350007;福建省松溪县林业委员会,松溪353500;福建省林业科学研究院,福州350012
  • 收稿日期:2000-08-30 修回日期:1900-01-01 出版日期:2001-09-25 发布日期:2001-09-25

THE EFFECTS OF ROTATING PLANTATION ON THE SOIL FERTILITY OF FOREST LAND AND THE GROWTH OF STAND

Zhang Dinghua,Ye Zhangfa,Li Baofu   

  1. Biological Engineering College, Fujian Normal University Fuzhou 350007;Songxi County Forestry Committee of Fujian Songxi 353500;Fujian Forestry Science Insititute Fuzhou 350012
  • Received:2000-08-30 Revised:1900-01-01 Online:2001-09-25 Published:2001-09-25

摘要:

研究了杉木、马尾松人工林轮作对林地土壤肥力和林木生长的影响。结果表明:与连作相比,轮作林分土壤微生物数量增多、酶活性增强、土壤酚类物质减少、土壤酸度降低、盐基总量和盐基饱和度提高以及土壤有效养分增加,并由此导致了林分生长量的提高。轮作林分土壤肥力提高,林分生长量增加的实质在于:人工林林分实施轮作后,由于后茬植物与前茬植物种类的不同导致土壤微生物种类和数量增多,土壤生物活性增强,并由此而导致土壤酸度降低、有毒物质减少,速效养分增加。

关键词: 轮作, 连作, 杉木, 马尾松

Abstract:

The effects of rotating plantation on the soil fertility of forest land and the stand growth were studied in Songxi County,Fujian Province.The results were as follows:Compared with the soil of continuous plantation,the microorganism quantities of soil in rotating plantation were increased,enzyme activities were strengthened,the contents of phenolic substance was decreased,acidity was reduced,base content was raised,base saturation degree and available nutrient contents were increased,and from these,stand growths were improved.The essence that the soil fertility in rotating plantation stand were improved and stand growth was increased lie in:Because the substitute species was different from the fore species,the microorganism species and quantities of soil of rotating plantation were increased and the enzyme activities were strengthened,and thereby,acidity was reduced,toxic compounds were decreased and available untrient contents were improved.

Key words: Rotating plantation, Continuous plantation, Cunminghamia lanceolata, Pinus massoniana