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Fertilizer Application for Enhanced Crop Nutrient and Water Use Efficiency...
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Fertilizer Application for Enhanced Crop Nutrient and Water Use Efficiency Under Irrigation Strategy

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Crop Physiology and Crop Production".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 1422

Special Issue Editors

Dr. Zhenhua Wei

E-Mail Website1 Website2
Guest Editor
Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas of Ministry of Education, Northwest A&F University, Yangling, China
Interests: biological water-saving; water use efficiency; water and nutrient management; fruit quality; climate change
Special Issues, Collections and Topics in MDPI journals
Dr. Zhenchang Wang

E-Mail Website
Guest Editor
College of Agricultural Science and Engineering, Hohai University, Nanjing 210098, China
Interests: efficient water use; salinity; irrigation; natural stable isotope
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Agricultural water scarcity and soil fertility degradation were two critical problems that exposed great challenges to ensure crop production and food security around the world. Appropriate irrigation and fertilizer application could closely modulate crop physiology and growth in response to these challenges. However, the effect and mechanism of irrigation coupled with fertilization on improved nutrient/water utilization via crop water physiology, edaphology and plant nutrition still need further investigation. Therefore, the objective of this research topic was to gather the advanced studies on reasonable/novel fertilizer application (macro/micro-element fertilizer, nano-fertilizer, biofertilizer and CO2-fertilizer, etc.) for enhanced crop growth, nutrient and/or water use efficiency under various irrigation strategies (drip irrigation, subsurface irrigation, reduced irrigation and alternate partial root-zone irrigation as well as fertigation, etc.) and their interactive effects. The original research, meta-analysis articles and reviews/mini-reviews related to this topic were expected, and would provide some valuable acknowledge for achieving efficient water and fertilizer management in agricultural crops.

Dr. Zhenhua Wei
Dr. Zhenchang Wang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • fertilization
  • irrigation
  • crop physiology
  • plant growth
  • nutrient uptake
  • water use efficiency

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Published Papers (1 paper)

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Research

15 pages, 2028 KiB  
Article
Effect of CO2 Elevation on Tomato Gas Exchange, Root Morphology and Water Use Efficiency under Two N-Fertigation Levels
by Manyi Zhang, Wentong Zhao, Chunshuo Liu, Changtong Xu, Guiyu Wei, Bingjing Cui, Jingxiang Hou, Heng Wan, Yiting Chen, Jiarui Zhang and Zhenhua Wei
Plants 2024, 13(17), 2373; https://doi.org/10.3390/plants13172373 - 26 Aug 2024
Cited by 1 | Viewed by 868
Abstract
Atmospheric elevated CO2 concentration (e[CO2]) decreases plant nitrogen (N) concentration while increasing water use efficiency (WUE), fertigation increases crop nutrition and WUE in crop; yet the interactive effects of e[CO2] coupled with two N-fertigation levels [...] Read more.
Atmospheric elevated CO2 concentration (e[CO2]) decreases plant nitrogen (N) concentration while increasing water use efficiency (WUE), fertigation increases crop nutrition and WUE in crop; yet the interactive effects of e[CO2] coupled with two N-fertigation levels during deficit irrigation on plant gas exchange, root morphology and WUE remain largely elusive. The objective of this study was to explore the physiological and growth responses of ambient [CO2] (a[CO2], 400 ppm) and e[CO2] (800 ppm) tomato plant exposed to two N-fertigation regimes: (1) full irrigation during N-fertigation (FIN); (2) deficit irrigation during N-fertigation (DIN) under two N fertilizer levels (reduced N (N1, 0.5 g pot−1) and adequate N (N2, 1.0 g pot−1). The results indicated that e[CO2] associated with DIN regime induced the lower N2 plant water use (7.28 L plant−1), maintained leaf water potential (−5.07 MPa) and hydraulic conductivity (0.49 mol m−2 s−1 MPa−1), greater tomato growth in terms of leaf area (7152.75 cm2), specific leaf area (223.61 cm2 g−1), stem and total dry matter (19.54 g and 55.48 g). Specific root length and specific root surface area were increased under N1 fertilization, and root tissue density was promoted in both e[CO2] and DIN environments. Moreover, a smaller and denser leaf stomata (4.96 µm2 and 5.37 mm−2) of N1 plant was obtained at e[CO2] integrated with DIN strategy. Meanwhile, this combination would simultaneously reduce stomatal conductance (0.13 mol m−2 s−1) and transpiration rate (1.91 mmol m−2 s−1), enhance leaf ABA concentration (133.05 ng g−1 FW), contributing to an improvement in WUE from stomatal to whole-plant scale under each N level, especially for applying N1 fertilization (125.95 µmol mol−1, 8.41 µmol mmol−1 and 7.15 g L−1). These findings provide valuable information to optimize water and nitrogen fertilizer management and improve plant water use efficiency, responding to the potential resource-limited and CO2-enriched scenario. Full article
(This article belongs to the Special Issue Fertilizer Application for Enhanced Crop Nutrient and Water Use Efficiency Under Irrigation Strategy)
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