| Effects of intercropping system on rhizosphere microorganisms in dry slopping land |
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| DOI：10.7606/j.issn.1000-7601.2017.05.15 |
| Key Words: maize grass strip pepper intercropping rhizospheric microorganism |
| Author Name | Affiliation | | AN Tong-xin | Faculty of Agronomy and Biolechnology, Yunnan Agricultural University, Kunming, Yunnan 650201, China | | ZHAN Fang-dong | College of Resource and Environment, Yunnan Agricultural University, Kunming, Yunnan 650201, China | | LI Wang | Faculty of Agronomy and Biolechnology, Yunnan Agricultural University, Kunming, Yunnan 650201, China | | ZHOU Feng | Faculty of Agronomy and Biolechnology, Yunnan Agricultural University, Kunming, Yunnan 650201, China | | GONG Ai-min | College of Water Conservancy and Hydropower and Architecture, Yunnan Agricultural University, Kunming, Yunnan 650201, China | | LI Yuan | College of Resource and Environment, Yunnan Agricultural University, Kunming, Yunnan 650201, China | | WU Bo-zhi | Faculty of Agronomy and Biolechnology, Yunnan Agricultural University, Kunming, Yunnan 650201, China | | ZHANG Lian-gen | Faculty of Agronomy and Biolechnology, Yunnan Agricultural University, Kunming, Yunnan 650201, China |
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| Abstract: |
| The effects of different intercropping groups composed of maize, grass strips and pepper on the number of soil microbes in dry slopes land of Yunnan mountain area were studied. The results showed that: The number of rhizosphere microbes of intercropping grass strips with pepper and maize was higher than that of other intercropping and monoculture treatments. The average number of rhizosphere bacteria, fungi, actinomycetes and azotobacter in the two kinds of intercropping grass strip patterns was 4.49 and 22.00 times, 3.91 and 6.1 times, 6.15 and 26.29 times, 4.75 and 5.72 times of that of downslope maize monoculture and pepper monoculture respectively. The number of rhizosphere microbes of maize and pepper intercropped with grass strips was higher than maize monoculture and pepper monoculture. The number of rhizosphere microbes of intercropping maize with pepper 4∶4 and 6∶6 was higher than that of 2∶2. In a word, the amount of rhizosphere microbes of intercropping maize with pepper, maize with grass strips, and pepper with grass strips is higher than monoculture and it can provide the basis for further defining the effects of rhizosphere microbes on intercropping systems to improve soil microbial growth environment. |
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