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982 results on '"He, Ji-Zheng"'

203. The end of hunger: fertilizers, microbes and plant productivity.

Author

Hu, Hang‐Wei, Chen, Qing‐Lin, and He, Ji‐Zheng

Subjects
PLANT productivity, SUSTAINABLE agriculture, CLIMATE change, LAND degradation, FERTILIZERS
Abstract

Summary: It is a grand challenge to ensure the food security for a predicted world population of exceeding 9.7 billion by 2050, especially in an era of global climate change, land degradation and biodiversity loss. Current agricultural productions are mainly relying on synthetic chemical fertilisers to boost plant productivity but have undesirable effects on the environment and soil biodiversity. A promising direction in sustainable agriculture is to harness naturally occurring processes of beneficial plant‐associated microbiomes to ensure sustained crop production and global food security. Despite the significant progress made in the development of beneficial microbes as inoculants to enhance plant performance, challenges remain with the translation of knowledge of plant and soil microbiomes to successful microbial products in the agricultural sector. Here, we highlight how fertilizer technology should be renovated by harnessing microbiome‐based innovations to promote plant productivity and contribute to the end of hunger. [ABSTRACT FROM AUTHOR]

Published
2022
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204. Tracing boron dynamics in agro-ecosystems using enriched (10B, 11B) stable isotopic signatures: A centennial legacy.

Author

Chalk, Phillip, Smith, Christopher J., Chen, Deli, and He, Ji-Zheng

Subjects
BORON isotopes, INDUCTIVELY coupled plasma mass spectrometry, ISOTOPIC signatures, PLANT nutrition, PHYSICAL mobility, BORON
Abstract

For many years after the discovery of the two stable isotopes of B (10B,11B) in 1920 it was not used routinely as a tracer in the biological sciences until the development of inductively coupled plasma mass spectrometry in the early 1980s. This development provided an impetus to the study of the role of B in plant nutrition, although many seminal discoveries were made beforehand without the aid of isotopes. Thus, much information on the mobility and physiological function of B in plants is post-1985. Boron is unusual in plant nutrition in that it is taken up by plants through roots or foliage as undissociated boric acid, unlike other essential elements that are taken up in ionic form. The within-plant mobility of B in species important in agriculture and horticulture is examined in the present review including the role of sugar alcohols in xylem to phloem transfer. The molecular basis of its movement at the cellular level via transporters as revealed through the strategic application of enriched 11B and 10B is addressed. Few studies have been carried out on B use efficiency by crops and results show great variability. Suggestions for future applications of tracing with 10B and 11B are provided. [ABSTRACT FROM AUTHOR]

Published
2022
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218. Rare taxa maintain the stability of crop mycobiomes and ecosystem functions

Author

Xiong, Chao, primary, He, Ji‐Zheng, additional, Singh, Brajesh K., additional, Zhu, Yong‐Guan, additional, Wang, Jun‐Tao, additional, Li, Pei‐Pei, additional, Zhang, Qin‐Bing, additional, Han, Li‐Li, additional, Shen, Ju‐Pei, additional, Ge, An‐Hui, additional, Wu, Chuan‐Fa, additional, and Zhang, Li‐Mei, additional

Published
2020
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223. Host selection shapes crop microbiome assembly and network complexity

Author

Xiong, Chao, primary, Zhu, Yong‐Guan, additional, Wang, Jun‐Tao, additional, Singh, Brajesh, additional, Han, Li‐Li, additional, Shen, Ju‐Pei, additional, Li, Pei‐Pei, additional, Wang, Gui‐Bao, additional, Wu, Chuan‐Fa, additional, Ge, An‐Hui, additional, Zhang, Li‐Mei, additional, and He, Ji‐Zheng, additional

Published
2020
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250. Specific protistan consumers and parasites are responsive to inorganic fertilization in rhizosphere and bulk soils.

Author

Li, Fangfang, Sun, Anqi, Jiao, Xiaoyan, Bi, Li, Zheng, Yong, He, Ji-Zheng, and Hu, Hang-Wei

Subjects
SOILS, PLANT fertility, NUTRIENT cycles, RHIZOSPHERE, PLANT productivity, BIOGEOCHEMICAL cycles
Abstract

Purpose: Protists play important roles in soils by regulating organic matter decomposition, catalysing biogeochemical nutrient cycling processes and maintaining soil fertility and plant productivity, but they remain poorly characterized in the plant-soil system under long-term intensive agricultural management. Methods: We investigated the impacts of multiple inorganic fertilization regimes on the diversity, composition and potential functions of protists and their interactions with bacteria and fungi in the rhizosphere and bulk soils of sorghum plants in a long-term field experiment. Results: Protists were dominated by the supergroups Rhizaria, Stramenopiles, Alveolata, Amoebozoa and Archaeplastida in both rhizosphere and bulk soils. The diversity of protists was significantly lower in rhizosphere than bulk soils, and the community compositions of total protists were remarkably different in the two compartments. Inorganic fertilization had no significant impacts on the total protistan diversity or compositions but significantly changed the relative abundances of specific taxa of consumers and parasites. Protists were significantly correlated with bacteria and fungi as revealed by the co-occurrence network analysis, indicating their intensive trophic interactions with bacteria and fungi in soil food webs. Soil properties and the community compositions of bacteria and fungi were important factors shaping the variation in the protistan communities, as revealed by variation partitioning modelling analysis. Conclusion: Altogether, we provide new information for the impacts of fertilization on the protist communities in rhizosphere and bulk soils and identified specific functional groups of protists that are most responsive to long-term agricultural management. [ABSTRACT FROM AUTHOR]

Published
2021
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