Research on Rhizosphere Soil Properties of Pinus sylvestris var. mongolica with Different Infection Grades
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Received Date:
2005-02-16
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Abstract
The rhizosphere soil properties of Pinus sylvestris var. mongolica plantation with different infection grades were sludied. The results showed that with exacerbating of disease, the pH value of rhizosphere soil increased and the content of organic matter decreased significantly. CEC values of rhizosphere soil were higher than those in non-rhizosphere soil and varied omplicatedly. The extent of soluble salt accumulation decreased with exacerbating of disease. The accumulation extent of total N, available N, available K and the deficiency extent of available P of rhizosphere soil decreased significantly. The amount of microorganism and the activity of different kinds of enzymes of rhizosphere soil showed a trend of decrease.
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