Improvement of Plantation Soil by Intercropping Tea Plants with Green Manures

ZHAO Qian; SHI Longqing; HE Haifang; LI Tianpu; LI Yaqing; ZHANG Liwen; YANG Guang

doi:10.19303/j.issn.1008-0384.2021.05.015

Volume 36 Issue 5

May 2021

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Article Navigation > Fujian Journal of Agricultural Sciences > 2021 > 36(5): 602-609

ZHAO Q, SHI L Q, HE H F, et al. Improvement of Plantation Soil by Intercropping Tea Plants with Green Manures [J]. Fujian Journal of Agricultural Sciences，2021，36（5）：602−609 doi: 10.19303/j.issn.1008-0384.2021.05.015

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ZHAO Q, SHI L Q, HE H F, et al. Improvement of Plantation Soil by Intercropping Tea Plants with Green Manures [J]. Fujian Journal of Agricultural Sciences，2021，36（5）：602−609 doi: 10.19303/j.issn.1008-0384.2021.05.015

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Improvement of Plantation Soil by Intercropping Tea Plants with Green Manures

doi: 10.19303/j.issn.1008-0384.2021.05.015

ZHAO Qian^{1, 2, 3, 4
,},
SHI Longqing^{1, 5},
HE Haifang^{1, 2, 3, 4},
LI Tianpu^{1, 2, 3, 4},
LI Yaqing^{1, 2, 3, 4},
ZHANG Liwen^{1, 2, 3, 4},
YANG Guang^{1, 2, 3, 4
,
,}

1.
State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Institute of Applied Ecology, Fujian Agriculture and Forestry University, Fuzhou, Fujian　350002, China
2.
Joint International Research Laboratory of Ecological Pest Control, Ministry of Education, Fuzhou, Fujian　350002, China
3.
Key Laboratory of Integrated Pest Management for Fujian-Taiwan Crops, Ministry of Agriculture, Fuzhou, Fujian　350002, China
4.
Key Laboratory of Green Pest Control (Fujian Agriculture and Forestry University), Fujian Province University, Fuzhou, Fujian　350002, China
5.
Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian　350019, China

Received Date: 2020-11-23
Rev Recd Date: 2021-03-25

Available Online: 2021-05-17

Publish Date: 2021-05-31

Abstract

Abstract

Objective Effects of intercropping green manures with tea plants on the chemistry and bacterial community of plantation soil were analyzed for ecological improvements. Methods Changes on the soil pH, heavy metals, and bacterial diversity and community were monitored after various intercropping treatments. Results The Lupinus perennis (L)-Brassica campestris (B)-Chamaecrista rotundifolia (C) intercropping with tea plants did not improve but, in fact, lowered the soil pH. However, significant acidity mitigation was achieved by BC- or LB-intercropping with tea plants in the pot experiments. LB-intercropping also significantly reduced the content of heavy metals including Cd and Hg. The bacterial diversity and community structure of the intercropped soil were significantly changed with Proteobacteria becoming the most abundant phylum and Actinobacteria decreasing to less than 20% of the total population in the treatments with L, LB, or LBC. The intercropping also significantly increased Cyanobacteria population to more than 1%, in comparison to 0.1%-0.3% on control. Conclusion Intercropping L. perennis and B. campestris with tea bushes was conceivably to enable improvements on pH, Cd/Hg contents, and microbial community of the soil at plantations.
- Green manure,
- intercropping,
- tea plantations,
- soil pH,
- soil heavy metals,
- microbial community

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References(28)

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