Waste seaweed compost and rhizosphere bacteria Pseudomonas koreensis promote tomato seedlings growth by benefiting properties, enzyme activities and rhizosphere bacterial community in coastal saline soil of Yellow River Delta, China

被引：9

作者：

Shang, Xian-chao ^{[1
,2
]}

Zhang, Manman ^{[3
]}

Zhang, Yuqin ^{[4
]}

Hou, Xin ^{[1
,2
]}

Yang, Long ^{[1
,2
]}

机构：

[1] Shandong Agr Univ, Coll Plant Protect, Tai An 271018, Peoples R China

[2] Shandong Agr Univ, Agr Big Data Res Ctr, Tai An 271018, Peoples R China

[3] Southwest Univ, Citrus Res Inst, Chongqing 400712, Peoples R China

[4] Weihai Acad Agr Sci, Weihai 264200, Peoples R China

来源：

WASTE MANAGEMENT | 2023年 / 172卷

关键词：

Waste seaweed compost; Microbial community; Coastal saline soil; Network analysis; Redundancy analysis; MICROBIAL COMMUNITIES; PLANT-GROWTH; FERTILIZER;

D O I：

10.1016/j.wasman.2023.09.003

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This study investigated the effects of waste seaweed compost and rhizosphere bacteria Pseudomonas koreensis HCH2-3 on the tomato seedlings growth in coastal saline soils and chemical properties, enzyme activities, microbial communities of rhizosphere soil. Microcosmic experiment showed that the seaweed compost and rhizosphere bacteria (SC + HCH2-3) significantly alleviated the negative effects of salinity on the growth of tomato seedlings. SC + HCH2-3 amendment significantly increased the plant height and root fresh biomass of tomato seedling by 105.59% and 55.60% in the coastal saline soils, respectively. The soil properties and enzyme activities were also dramatically increased, indicating that the nutrient status of coastal saline soil was improved by SC + HCH2-3 amendment. In addition, Proteobacteria, Actinobacteriota and Firmicutes were the dominant phyla in the rhizosphere soil after adding seaweed compost and rhizosphere bacteria P. koreensis HCH2-3. The relative abundances of Massilia, Azospira, Pseudomonas and Bacillus increased in treatment SC + HCH2-3. Especially, the beneficial bacteria genera, such as Pseudomonas, Bacillus and Azospira, were significantly correlated with the increases of contents of total nitrogen, nitrate nitrogen and ammonium nitrogen in tomato rhizosphere soil samples. Consequently, adding waste seaweed compost and rhizosphere bacteria P. koreensis HCH2-3 into coastal saline soil was suggested as an effective method to relieve salt stress of tomato plants.

引用

页码：33 / 42

页数：10