Manipulating the soil microbiome to increase soil health and plant fertility

被引:786
作者
Chaparro, Jacqueline M. [1 ,2 ]
Sheflin, Amy M. [1 ,2 ]
Manter, Daniel K. [3 ]
Vivanco, Jorge M. [1 ,2 ]
机构
[1] Colorado State Univ, Ctr Rhizosphere Biol, Ft Collins, CO 80523 USA
[2] Colorado State Univ, Dept Hort & Landscape Architecture, Ft Collins, CO 80523 USA
[3] ARS, Soil Plant Res Unit, USDA, Ft Collins, CO 80526 USA
基金
美国国家科学基金会;
关键词
Microbiome; Root exudates; Plant growth promoting rhizobacteria (PGPRs); GROWTH-PROMOTING RHIZOBACTERIA; SPECIES RICHNESS; BACTERIAL COMMUNITIES; CATABOLIC DIVERSITY; FUNGAL COMMUNITIES; ECOSYSTEM FUNCTION; PSEUDOMONAS SPP; ROOT; BIODIVERSITY; ARABIDOPSIS;
D O I
10.1007/s00374-012-0691-4
中图分类号
S15 [土壤学];
学科分类号
0903 ; 090301 ;
摘要
A variety of soil factors are known to increase nutrient availability and plant productivity. The most influential might be the organisms comprising the soil microbial community of the rhizosphere, which is the soil surrounding the roots of plants where complex interactions occur between the roots, soil, and microorganisms. Root exudates act as substrates and signaling molecules for microbes creating a complex and interwoven relationship between plants and the microbiome. While individual microorganisms such as endophytes, symbionts, pathogens, and plant growth promoting rhizobacteria are increasingly featured in the literature, the larger community of soil microorganisms, or soil microbiome, may have more far-reaching effects. Each microorganism functions in coordination with the overall soil microbiome to influence plant health and crop productivity. Increasing evidence indicates that plants can shape the soil microbiome through the secretion of root exudates. The molecular communication fluctuates according to the plant development stage, proximity to neighboring species, management techniques, and many other factors. This review seeks to summarize the current knowledge on this topic.
引用
收藏
页码:489 / 499
页数:11
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