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EFFECTS OF SOIL SOLUTIONS LEACHED BY SIMULATED ACID RAINS ON THE GROWTH OF PINUS MASSONIANA AND P.ARMANDII SEEDLINGS(PDF)

Chinese Journal of Applied & Environmental Biology[ISSN:1006-687X/CN:51-1482/Q]

Issue:
1995 02
Page:
138-144
Research Field:
Publishing date:

Info

Title:
EFFECTS OF SOIL SOLUTIONS LEACHED BY SIMULATED ACID RAINS ON THE GROWTH OF PINUS MASSONIANA AND P.ARMANDII SEEDLINGS
Author(s):
Zhou Guoyi Norio Ogura
1. South China Institute of Botany, Academia Sinica.Guangzhou 510650;
2. Tokyo University of Agriculture and Technology.Tokyo 183, Japan
Keywords:
simulated acid rainsleached soil solutionsacidityaluminum ionPinus armanliiP. massoniana.
CLC:
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PACS:
DOI:
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Abstract:
The soil solutions leached by simulated acid rains with different PH were used as the culture solutions and the soil solution of neutral rainfall as the control to study the symptoms of the seedlings of Pinus massoniana and P.armandii damaged by acidity and aluminum ion.The resuls indicated that seedlings, affected by proton (H+)and aluminum ions(Al3+)in the culture solutions, generally became pink yellow lor the ground parts and swollen in roots.Under the condition of less proton and aluminum ions, root length and biomass of different parts of the plants often increased,and of more H+ and Al3+, the results were opposite compared with the control.The element contents in different components of the plants were greatly sensitive to proton and aluminum concentrations compared with the visible symptoms.Roots were more sensitive than the ground parts and Pinus armanlii than P.massoniana.

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