Abstract
Fertilization is an important practical measure in agricultural production. As an important nutrient element of plants, nitrogen (N) has a significant impact on the plant productivity and microbial function. Rhizosphere microorganisms affect plant growth and development, nitrogen uptake and utilization, and ecological adaptability. The interaction mechanism between plant and rhizosphere microorganisms is one of the hotspots in life science research and the key program of agricultural microorganism utilization. In this article, the relationship among plant root morphology and physiology, rhizosphere microorganisms, and nitrogen is reviewed, summarized, and prospected.
Highlights
Nitrogen (N) is one of the most important nutrient factors affecting crop growth and yield formation [1]
The application of nitrogen fertilizer significantly increased the abundance of plant growth-promoting bacteria (PGPR), and its abundance was significantly related to the content of organic acids, indicating that crops may recruit beneficial microorganisms by secreting organic acids [38]
Whether from the perspective of microbial diversity or the perspective of root exudates, soil enzymes, plant growth, and development have a certain role in promoting rhizosphere microorganisms in the study of the relationship among plant roots, rhizosphere microorganisms, and nitrogen
Summary
Nitrogen (N) is one of the most important nutrient factors affecting crop growth and yield formation [1]. To understand how plant root rhizosphere microorganisms affect the nitrogen absorption and transformation, it is necessary to understand what forms of nitrogen that plants can absorb in, the availability of these compounds in the soil, and how can plant characteristics affect the N nutrient absorption [5]. The rhizosphere is the center of the interaction among plant roots, soil, microorganisms, and environment [11,12]. The application of microorganisms and their biotechnology on plant breeding and variety improvement is an effective method to improve crop yield and quality [28,29], which would be widely applied to field production in the future. It is necessary to understand the relationship among the plant root–microorganisms interaction system, N fertilizer, and the application to crop production
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