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Diversity analysis of soil microbial population abundance before and after planting JunCao “Oasis No. 1” in saline-alkali soil
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Abstract
In order to explore the difference of soil microbial population structure and abundance before and after planting JunCao “Oasis No. 1” in saline-alkali soil, verify the improvement effect of JunCao “Oasis No. 1” on microbial population structure and abundance in saline-alkali soil. Samples were collected from the blank saline area with and without JunCao “Oasis NO.1” and no plant growth on the surface, respectively, as Experimental group soil samples (S.Y.1-S.Y.8) and Blank group soil samples (K.B.1-K.B.8).16sDNA high-throughput sequencing technology was used for sequencing analysis respectively, and the diversity of microbial population abundance between them was compared and analyzed.The results showed that the diversity of microbial population abundance in the experimental group was significantly higher than that in the blank group, and the diversity of microbial population abundance in the experimental group was significantly different from that in the blank group, indicating that the composition of microbial population in the experimental group was significantly different from that in the blank group. In the OTU cluster analysis, the number of OTU clusters in the Experimental group soil samples (S.Y.1-S.Y.8) was significantly higher than that in the Blank group soil samples (K.B.1-K.B.8). In the sample complexity analysis of α-diversity analysis, the richness and diversity of microbial population in soil samples of Experimental group (S.Y.1-S.Y.8) were significantly higher than that in soil samples of Blank group (K.B.1-K.B.8), which was clearly reflected in the Species accumulation boxplot and Graph of species diversity. In the β-diversity analysis, PcoA, PCA and NMDS analysis methods were used to analyze the difference of microbial population diversity between Experimental soil samples (S.Y.1-S.Y.8) and Blank soil samples (K.B.1-K.B.8). The results showed that the diversity of microbial population in Experimental soil sample (S.Y.1-S.Y.8) was significantly different from that in Blank soil sample (K.B.1-K.B.8). In this paper, 16sDNA high-throughput sequencing technology was used to analyze the diversity of microbial population abundance between Blank soil samples and Experimental soil samples, and it was proved that JunCao “Oasis No. 1” had good saline-alkali soil improvement characteristics. It can effectively increase the abundance of microbial population in saline-alkali soil, so as to restore the microbial population ecosystem in saline-alkali soil, which has important application value in soil saline-alkali control.
Title: Diversity analysis of soil microbial population abundance before and after planting JunCao “Oasis No. 1” in saline-alkali soil
Description:
Abstract
In order to explore the difference of soil microbial population structure and abundance before and after planting JunCao “Oasis No.
1” in saline-alkali soil, verify the improvement effect of JunCao “Oasis No.
1” on microbial population structure and abundance in saline-alkali soil.
Samples were collected from the blank saline area with and without JunCao “Oasis NO.
1” and no plant growth on the surface, respectively, as Experimental group soil samples (S.
Y.
1-S.
Y.
8) and Blank group soil samples (K.
B.
1-K.
B.
8).
16sDNA high-throughput sequencing technology was used for sequencing analysis respectively, and the diversity of microbial population abundance between them was compared and analyzed.
The results showed that the diversity of microbial population abundance in the experimental group was significantly higher than that in the blank group, and the diversity of microbial population abundance in the experimental group was significantly different from that in the blank group, indicating that the composition of microbial population in the experimental group was significantly different from that in the blank group.
In the OTU cluster analysis, the number of OTU clusters in the Experimental group soil samples (S.
Y.
1-S.
Y.
8) was significantly higher than that in the Blank group soil samples (K.
B.
1-K.
B.
8).
In the sample complexity analysis of α-diversity analysis, the richness and diversity of microbial population in soil samples of Experimental group (S.
Y.
1-S.
Y.
8) were significantly higher than that in soil samples of Blank group (K.
B.
1-K.
B.
8), which was clearly reflected in the Species accumulation boxplot and Graph of species diversity.
In the β-diversity analysis, PcoA, PCA and NMDS analysis methods were used to analyze the difference of microbial population diversity between Experimental soil samples (S.
Y.
1-S.
Y.
8) and Blank soil samples (K.
B.
1-K.
B.
8).
The results showed that the diversity of microbial population in Experimental soil sample (S.
Y.
1-S.
Y.
8) was significantly different from that in Blank soil sample (K.
B.
1-K.
B.
8).
In this paper, 16sDNA high-throughput sequencing technology was used to analyze the diversity of microbial population abundance between Blank soil samples and Experimental soil samples, and it was proved that JunCao “Oasis No.
1” had good saline-alkali soil improvement characteristics.
It can effectively increase the abundance of microbial population in saline-alkali soil, so as to restore the microbial population ecosystem in saline-alkali soil, which has important application value in soil saline-alkali control.
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