Effects of Nitrogen Input and Transformations on Soil Stability
A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Soil and Plant Nutrition".
Deadline for manuscript submissions: closed (15 July 2022)
Special Issue Editors
Interests: wheat cultivation and farming; physiology in wheat under abiotic stress; fertilizer control in wheat
Special Issues, Collections and Topics in MDPI journals
Interests: abiotic stress; physiology; molecular biology; crop
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
The application of chemical fertilizers, especially nitrogen (N), to crops has increased dramatically in the last half-century, and therefore the development of crop varieties with improved N-use efficiency (NUE) is urgent in order to attain sustainable agriculture. NUE definitions differ depending on whether plants are cultivated to produce biomass or grain yields. However, for most plant species, NUE mainly depends on how plants extract inorganic nitrogen from the soil, assimilate nitrate and ammonium, and recycle organic nitrogen. Although some efforts in improving NUE have been made in various plants, the regulatory mechanisms underlying NUE are still elusive, and NUE improvement in crop breeding is very limited. In this Special Issue, the crucial components involved in N utilization and the candidates with the potential for NUE improvement in plants will be discussed. An overall examination of the physiological, metabolic, and genetic aspects of nitrogen uptake, assimilation, and remobilization will be elucidated. The enzymes and regulatory processes manipulated to improve NUE components will be presented. This Issue presents the complexity of NUE and supports the idea that the integration of the numerous data coming from physiology, molecular mechanisms, ecophysiology, and soil science into explanatory models of whole-plant behavior will be promising.
Prof. Dr. Xinkai Zhu
Dr. Min Zhu
Guest Editors
Manuscript Submission Information
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Keywords
- wheat
- genetic resources
- climate changes
- genomics
- breeding
- nutrition status
- abiotic stress physiology
