OPPORTUNITIES AND APPROACHES FOR MANIPULATING SOIL-PLANT MICROBIOMES FOR EFFECTIVE CROP NITROGEN USE IN AGROECOSYSTEMS

Autor: Jingjing PENG, Olatunde OLADELE, Xiaotong SONG, Xiaotang JU, Zhongjun JIA, Hangwei HU, Xuejun LIU, Shuikuan BEI, Anhui GE, Limei ZHANG, Zhenling CUI
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Frontiers of Agricultural Science and Engineering, Vol 9, Iss 3, Pp 333-343 (2022)
Druh dokumentu: article
ISSN: 2095-7505
DOI: 10.15302/J-FASE-2022450
Popis: ● Matching nitrification inhibitors with soil properties and nitrifiers is vital to achieve a higher NUE. ● Enhancing BNF, DNRA and microbial N immobilization processes via soil amendments can greatly contribute to less chemical N fertilizer input. ● Plant-associated microbiomes are critical for plant nutrient uptake, growth and fitness. ● Coevolutionary trophic relationships among soil biota need to be considered for improving crop NUE. Soil microbiomes drive the biogeochemical cycling of nitrogen and regulate soil N supply and loss, thus, pivotal nitrogen use efficiency (NUE). Meanwhile, there is an increasing awareness that plant associated microbiomes and soil food web interactions is vital for modulating crop productivity and N uptake. The rapid advances in modern omics-based techniques and biotechnologies make it possible to manipulate soil-plant microbiomes for improving NUE and reducing N environmental impacts. This paper summarizes current progress in research on regulating soil microbial N cycle processes for NUE improvement, plant-microbe interactions benefiting plant N uptake, and the importance of soil microbiomes in promoting soil health and crop productivity. We also proposes a potential holistic (rhizosphere-root-phyllosphere) microbe-based approach to improve NUE and reduce dependence on mineral N fertilizer in agroecosystems, toward nature-based solution for nutrient management in intensive cropping systems.
Databáze: Directory of Open Access Journals
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