四川农业大学学报 ›› 1994, Vol. 12 ›› Issue (04): 500-504.doi: 10.16036/j.issn.1000-2650.1994.04.012

• • 上一篇    下一篇

柏木人工林生态系统养分循环研究-Ⅰ、乔木层养分元素的变化规律

余树全   

  1. 四川农业大学林学园艺学院
  • 收稿日期:1993-11-15 出版日期:1994-12-31 发布日期:2017-04-22

STUDIES ON THE NUTRITIVE CYCLING OF PLANTATION SYSTEM OF CYPRESS-Ⅰ.VARYING LAW OF THE NUTRIENT ELEMENT IN ARBOR LAYER

Yu Shuquan   

  1. College of Forestry and Horticulture, Sichuan Agri cultural Un iversity, Yaan, Sichuan, China 625014
  • Received:1993-11-15 Online:1994-12-31 Published:2017-04-22

摘要: 作者研究柏木体内五种大量元素(N、P、K、Ca、Mg)在不同器官、年龄和林型中的变化规律。从养分利用特性出发分析了抑制柏木生长的微观因素,提出了提高柏木生产力的措施。

关键词: 柏木, 人工林, 植物营养, 经济林

Abstract: The author studied the five macroelements (N. P. K. Ca. Mg.) in the tree body of Cypress, The nutrients contents vary in the different organisms, tree age and forest type.The microfactors limiting Cypress growth are discussed based on the nutrient utilization character;and the measures rasing of the Cypress productivity are rasied.

Key words: CHINESE WEEPING CYPRESS, LACTIE ACID(P), PLANT NUTRITION, ECONOMIC FORESTS

中图分类号: 

  • S791.42