四川农业大学学报 ›› 1994, Vol. 12 ›› Issue (04): 505-510.doi: 10.16036/j.issn.1000-2650.1994.04.013

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柏木人工林生态系统养分循环研究-Ⅱ、乔木层营养元素积累、分配和利用

余树全   

  1. 四川农业大学林学园艺学院 雅安市 625014
  • 收稿日期:1993-11-15 出版日期:1994-12-31 发布日期:2017-04-22

STUDIES ON THENUTRITIVE CYCLING OF PLANTATION SYSTEM OF CYPRESS-Ⅰ.THE NUTRIENT ACCUMULATION DISTRIBUTION AND UTILZATION IN ARBOR LAYER

Yu Shuquan   

  1. College of Forestry and Horticul ture, Sichuan Agricultural University, Yaan, Sichuan, China 625014
  • Received:1993-11-15 Online:1994-12-31 Published:2017-04-22

摘要: 本文主要研究柏木人工林生态系统中N、P、K、Ca、Mg五种营养元素在柏木中的积累和分配,以及养分归还和利用效率,提出提高柏木生产力的措施。

关键词: 柏木, 植物营养, 经济林, 养分元素, 混交林

Abstract: This paper is to deal with five nutriont elements (N.P.K.Ca.Mg.) in the plantation system of Cypress, the accumulation and distribution of that in arbor layer, The nutrient return and utility rate are discovered.The measures raising the Cypress producivity are put forward here.

Key words: CHINESE WEEPING CYPRESS, PLANTEDFOREST, PLANT NUTRITION, ECONOMIC FORESTS, NUTRIENT ELEMENT, MIXED STAND

中图分类号: 

  • S791.42