Volume 22 Issue 1
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LI Shu-yi, LAN Pei-ling, LIAO Xin-rong, YANG Guo-qin, JIAN Ming, XU Sheng-guang. A preliminary study of diagnosis of foliar microelement nutrients in two clones of Eucalyptus[J]. Journal of Zhejiang A&F University, 2005, 22(1): 40-45.
Citation: LI Shu-yi, LAN Pei-ling, LIAO Xin-rong, YANG Guo-qin, JIAN Ming, XU Sheng-guang. A preliminary study of diagnosis of foliar microelement nutrients in two clones of Eucalyptus[J]. Journal of Zhejiang A&F University, 2005, 22(1): 40-45.

A preliminary study of diagnosis of foliar microelement nutrients in two clones of Eucalyptus

Funds:

广东省科技攻关项目(2003C32107)

  • Received Date: 2004-04-19
  • Rev Recd Date: 2004-06-29
  • Publish Date: 2005-02-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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A preliminary study of diagnosis of foliar microelement nutrients in two clones of Eucalyptus

Funds:

广东省科技攻关项目(2003C32107)

Abstract: To improve the output of Eucalyptus , the leaves of Eucalyptus in the testing plots where the trees are applied microelement fertilizers were analyzed .The method of diagnosing foliar nutrients with critical value concentration was used to study the microelement nutrients of E .ABL 12W5 and E . urophylla U6 .The diagnosed indexes of some microelement nutrients were further evaluated and tested in medium-expanded experiment plots . The results showed that the concentrations of Mo , Zn , Cu and Mn in Eucalyptus differed from other plants .The critical concentrations of B , Zn , Cu and Fe in E .ABL 12W5 were 27.90mgkg-1 , 45.00 mgkg-1 , 1.08mgkg-1 , 288.00 mgkg-1 and the critical concentrations of B , Zn , Mo , Mn and Fe in E .urophylla U6 were 13.5mgkg-1 , 10.80 mgkg-1 , 0.15mgkg-1 , 216.00mgkg-1 and 117.00mgkg-1 .The concentrations of B in both clones of Eucalyptus , Mo in E .urophylla U6 and Cu in E .ABL 12W5 tallied with the foliar nutrients diagnoses standards .But the data of foliar analysis of Zn , Fe and Mn in medium-expanded experiment plots didn,t tally with the diagnosing standards .Therefore the critical values of the concentrations of Zn , Fe and Mn cannot be used for the instruction to fertilization .[ Ch , 6 tab .22 ref .]

LI Shu-yi, LAN Pei-ling, LIAO Xin-rong, YANG Guo-qin, JIAN Ming, XU Sheng-guang. A preliminary study of diagnosis of foliar microelement nutrients in two clones of Eucalyptus[J]. Journal of Zhejiang A&F University, 2005, 22(1): 40-45.
Citation: LI Shu-yi, LAN Pei-ling, LIAO Xin-rong, YANG Guo-qin, JIAN Ming, XU Sheng-guang. A preliminary study of diagnosis of foliar microelement nutrients in two clones of Eucalyptus[J]. Journal of Zhejiang A&F University, 2005, 22(1): 40-45.

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