Effect of Soybean-Cucumber and Wheat-Cucumber Rotation on Soil Microbial Community Species Diversity

ACTA HORTICULTURAE SINICA ›› 2007, Vol. 34 ›› Issue (6): 1543-1546.

• 研究简报 • Previous Articles Next Articles

Effect of Soybean-Cucumber and Wheat-Cucumber Rotation on Soil Microbial Community Species Diversity

WU Feng-zhi^* and WANG Xue-zheng

(Horticultral College, Northeast Agricultral University, Harbin 150030, China)

Received:2007-07-13 Revised:2007-10-08 Online:2007-12-25 Published:2007-12-25

Abstract

Abstract: Effects of soybean-cucumber and wheat-cucumber rotation on soil microbial community DNA sequence diversity were evaluated using random amplified polymorphic DNA (RAPD) method. The results showed that grain-cucumber rotation significantly increased the diversity index, richness index and evenness index of soil microbial community, and the soybean-cucumber rotation was more effective than wheat-cucumber rotation in term of the microbial community. Soil microbial community DNA sequence similarity coefficient between the two rotation soils was 0.5678; However the similarity coefficients between the two rotation soils and control soil were 0.3465 and 0.3124, respectively. Cucumber yields in two rotation soils were also higher than that in control soil significantly. This may imply that rotation can improve soil microbial ecology.

Key words: Cucumber, Wheat, Soybean, Rotation, Soil microbial community

CLC Number:

WU Feng-zhi and WANG Xue-zheng. Effect of Soybean-Cucumber and Wheat-Cucumber Rotation on Soil Microbial Community Species Diversity [J]. ACTA HORTICULTURAE SINICA, 2007, 34(6): 1543-1546.

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Effect of Soybean-Cucumber and Wheat-Cucumber Rotation on Soil Microbial Community Species Diversity

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