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Agronomy
Special Issues
Soil Nutrient Cycling and Management of Agronomy
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Soil Nutrient Cycling and Management of Agronomy

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Soil and Plant Nutrition".

Deadline for manuscript submissions: closed (5 March 2022) | Viewed by 7710

Special Issue Editors

Prof. Dr. Shiping Deng

E-Mail Website
Guest Editor
Department of Plant and Soil Sciences, Oklahoma State University, Stillwater, OK, USA
Interests: Soil microbiology; biochemistry; enzymology
Dr. Xiufen Li

E-Mail Website
Guest Editor
Department of Plant and Environmental Sciences, New Mexico State University, Las Cruces, NM, USA
Interests: soil microbiome; soil-plant-microbe interactions; soil health; nutrient cycling and availability; plant growth and productivity; greenhouse gas emission; organic farming; functional gene abundance and expression
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With a growing global population and demand for food production to increase 50–70% by 2050, sustainable food security has drawn increasing attention from researchers, decision-makers, and producers. Improving nutrient cycling and management of soil is a crucial battlefront for increasing crop productivity, maximizing economic returns, and maintaining soil productivity. Considerable effort has been devoted to evaluating soil nutrient cycling under different management practices in various cropping systems, understanding the metabolic and genomic mechanisms of soil-plant-microbe interactions on soil nutrient availability, modeling the response of soil nutrient cycling to diverse environmental conditions, and optimizing nutrient management using innovative agricultural technologies. This Special Issue invites Original Research, Technology Report, Methods, Opinion, Perspectives and invited Reviews and Mini Reviews on soil nutrient cycling and management of agronomy. Topics include but are not limited to: 1) Optimized fertilization practices, cropping systems, and agronomic strategies for improving soil nutrient cycling and crop productivity; 2) The metabolic and genomic mechanisms of beneficial plant-microbe interactions in improving soil nutrient cycling and crop productivity under desired or stressed conditions; 3) Modeling soil nutrient cycling and availability to facilitate intrinsic system based decision-making processes that promote agronomic productivity while minimizing potential negative environmental impact; 4) Innovative and novel agricultural technologies, such as unmanned aerial vehicle (UAV) and precision agriculture, for enhancing nutrient management.

Prof. Dr. Shiping Deng
Dr. Xiufen Li
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. Agronomy is an international peer-reviewed open access monthly 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 2600 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

  • nutrient cycling
  • nutrient management
  • cropping systems
  • fertilization practices
  • crop productivity
  • soil sustainability
  • plant-microbe interactions
  • metabolic and genomic mechanisms
  • modeling
  • novel agricultural technologies

Published Papers (3 papers)

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Research

15 pages, 3211 KiB  
Article
Differential and Interactive Effects of Scleroderma sp. and Inorganic Phosphate on Nutrient Uptake and Seedling Quality of Castanea henryi
by Ronghua Zuo, Feng Zou, Shiyi Tian, Joseph Masabni, Deyi Yuan and Huan Xiong
Agronomy 2022, 12(4), 901; https://doi.org/10.3390/agronomy12040901 - 8 Apr 2022
Cited by 4 | Viewed by 2026
Abstract
Both ectomycorrhizal fungi (ECMF) and inorganic phosphate (Pi) can improve plant growth. However, the relationship between Pi levels and mycorrhizal colonization rate is divergent, and information on the differential and interactive effects of Pi levels and ECMF on nutrient uptake and seedling quality [...] Read more.
Both ectomycorrhizal fungi (ECMF) and inorganic phosphate (Pi) can improve plant growth. However, the relationship between Pi levels and mycorrhizal colonization rate is divergent, and information on the differential and interactive effects of Pi levels and ECMF on nutrient uptake and seedling quality is lacking. We conducted a study on 4-week-old Castanea henryi ‘You Zhen’ seedlings by inoculating with Scleroderma sp. (+ECM) to compare with uninoculated (-ECM), under low Pi level (-Pi) and high Pi level (+Pi). The mycorrhizal colonization rate, seedlings morphological and physiological parameters, nutrient uptake content, and the rhizosphere soil enzymatic activities and chemical properties were investigated. Results indicated that the mycorrhizal colonization rate at low Pi level (84 ± 2%) was higher than that at high Pi level (71 ± 2.52%). No matter the Pi level, inoculating with ECMF significantly improved seedling dry weight, height, diameter, and seedling quality index (SQI). The +ECM+Pi and +ECM-Pi treatments significantly increased SQI by 282.76% and 232.76% in comparison to the -ECM-Pi treatment, respectively. Applied Pi had no significant effect on SQI. ECMF inoculation significantly increased nitrogen (N), phosphorus (P), and potassium (K) uptake in roots, stems, and leaves, while Pi application increased the P uptake in roots only. There was no significant interaction between ECMF and Pi levels on seedling quality and nutrient uptake (except P uptake in leaf). Results indicated that ECMF is a suitable alternative to the use of phosphorus fertilizer in nursery production of C. henryi seedlings in terms of protecting the environment, saving resources, and reducing production costs. Full article
(This article belongs to the Special Issue Soil Nutrient Cycling and Management of Agronomy)
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14 pages, 2470 KiB  
Article
Potassium Bioavailability in a Tropical Kaolinitic Soil
by Marcelo Raphael Volf, Carlos Alexandre Costa Crusciol, Antônio Carlos de Azevedo, Michael L. Thompson, John L. Kovar and Ciro Antonio Rosolem
Agronomy 2021, 11(10), 2016; https://doi.org/10.3390/agronomy11102016 - 7 Oct 2021
Cited by 10 | Viewed by 2325
Abstract
Some plant species are able to acquire non-exchangeable forms of K, which improve K availability and cycling in cropping systems, and which may explain the lack of response to K. However, this would not be expected in soils dominated by kaolinite. The aim [...] Read more.
Some plant species are able to acquire non-exchangeable forms of K, which improve K availability and cycling in cropping systems, and which may explain the lack of response to K. However, this would not be expected in soils dominated by kaolinite. The aim of this study was to assess non-exchangeable K (Kne) use by three selected plant species grown in a tropical Haplic Plinthosol with low exchangeable K (Ke). A greenhouse experiment was conducted with soybean (Glycine max L., Merr.), maize (Zea mays L.), and ruzigrass (Urochloa ruziziensis) with or without K fertilization for three growing cycles. The crop treatments were compared with a control without plants. In the absence of K fertilization, all the tested plants were able to use non-exchangeable K and non-exchangeable K contributed more than 80% of the K demand of the plants in the first growing cycle, even in this kaolinitic soil. In the first growing cycle, soybean and maize took up more non-exchangeable K than ruzigrass, concomitant with higher dry matter yields. Over the three crop cycles, as both biomass yield and K uptake decreased in the unfertilized systems, the dependence of plants on non-exchangeable K decreased. Unfertilized ruzigrass showed a strong ability to acquire non-exchangeable K from the soil. Over the course of three growing cycles, K application decreased the absolute uptake of non-exchangeable K as well as its fractional contribution to total K uptake by the crops. Full article
(This article belongs to the Special Issue Soil Nutrient Cycling and Management of Agronomy)
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10 pages, 248 KiB  
Article
Does Soybean Yield and Seed Nutrient Content Change Due to Broiler Litter Application?
by Rajveer Singh, Rishi Prasad, Dennis P. Delaney and Dexter B. Watts
Agronomy 2021, 11(8), 1523; https://doi.org/10.3390/agronomy11081523 - 30 Jul 2021
Cited by 2 | Viewed by 2390
Abstract
Broiler litter (BL) has the potential to be used as an alternative multi-nutrient source for soybean (Glycine max L.) production. While previous research on soybean yield response to BL has reported inconsistent results, the effects of BL application on soybean seed nutrient [...] Read more.
Broiler litter (BL) has the potential to be used as an alternative multi-nutrient source for soybean (Glycine max L.) production. While previous research on soybean yield response to BL has reported inconsistent results, the effects of BL application on soybean seed nutrient concentrations are largely unknown or less studied. The objective of this two-year field study was to investigate the effect of BL application on soybean yield and seed nutrient content in three different soil types and production environments. To pursue the objective, a field experiment was established in 2018 in a Compass loamy sand with four BL rates (0, 2.2, 5.6, and 11.2 Mg BL ha−1). In 2019, the study was expanded to include two additional soil types (Decatur silty clay loam and Dothan fine sandy loam) totaling four site years. The experimental design at each site was a randomized complete block with four replications. Application of BL had no impact on soybean yield in the first year, regardless of application rate and soil type. In the second year of BL application, soybean yield was 43% higher overall compared to no BL plots on a Compass loamy sand. However, soybean yield with the application of 5.6 or 11.2 Mg BL ha−1 was not statistically different from that at 2.2 Mg BL ha−1. Soybean seed Ca and B concentrations changed significantly among the treatments; however, the change was not consistent across the sites. Consecutive year application of 11.2 Mg BL ha−1 yr−1 produced the highest seed K and Cu concentrations. The results of this research suggest that repeated BL application can boost soybean yield and potentially enrich seed with selected nutrients. Full article
(This article belongs to the Special Issue Soil Nutrient Cycling and Management of Agronomy)
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