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Agronomy
Special Issues
Conservation Management Practices for Improving the Ecological Health of Pasture
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Conservation Management Practices for Improving the Ecological Health of Pasture

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Grassland and Pasture Science".

Deadline for manuscript submissions: closed (15 May 2022) | Viewed by 5712

Special Issue Editors

Prof. Dr. Fujiang Hou

E-Mail Website
Guest Editor
College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
Interests: grassland; grazing; livestock production; greenhouse gases
Special Issues, Collections and Topics in MDPI journals
Dr. Shanning Lou

E-Mail Website
Guest Editor
College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, Gansu 730020, China
Interests: the integrated crop-livestock production system
Dr. Jiao Ning

E-Mail Website
Guest Editor
College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, Gansu 730020, China
Interests: nitrogen management of pasture

Special Issue Information

Dear Colleagues,

Although pasture ecosystem protection around the world has demonstrated some achievements in the past, severe problems remain, such as the vulnerability of the natural environment, a huge ecological deficit, severe degradation, and functional decline. To achieve a better understanding of how to improve the ecological health of pastures, there are numerous challenges relating to the future development of pasture ecosystems that also require attention. These include, for example, pasture soil and plant changes, global climate change, and the relationship between economic development and pasture production. This Special Issue invites original research articles, opinion papers, and short communications on the following topics:

  • Evaluation of pasture ecological health.
  • Status quo of different types of pasture.
  • Element trade-offs in the pasture ecosystem.
  • Livestock grazing in pasture ecosystem.
  • Climate change and carbon-neutral in pasture ecosystem.
  • Economic development and pasture production.

Prof. Dr. Fujiang Hou
Dr. Shanning Lou
Dr. Jiao Ning
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

  • forage quality
  • soil organic carbon
  • grazing
  • ruminant agriculture
  • herbivore
  • energy balance analysis

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

12 pages, 4114 KiB  
Communication
Mathematical Models of the Dynamic Stability of Arid Pasture Ecosystems in the South of Russia
by Aleksandr Nikolaevich Salugin and Marina Vladimirovna Vlasenko
Agronomy 2022, 12(6), 1448; https://doi.org/10.3390/agronomy12061448 - 16 Jun 2022
Cited by 3 | Viewed by 2102
Abstract
In this study, the issue of the ecological stability of the soil and vegetation cover of the North-Western Near-Caspian arid zones within the borders of the Black Lands (BL) of the Republic of Kalmykia was considered. Modeling was carried out of the open [...] Read more.
In this study, the issue of the ecological stability of the soil and vegetation cover of the North-Western Near-Caspian arid zones within the borders of the Black Lands (BL) of the Republic of Kalmykia was considered. Modeling was carried out of the open systems’ thermodynamics principles using continuous and discrete formalisms. Models presented in the form of systems of ordinary differential equations, Markov’s circuits, and autonomous impulse processes show the possibility of their application in the management of pasture feed stocks. Modeling with the systems of differential equations makes it possible to identify points of stable states of pasture systems. Markov circuits are able to establish an optimal animal load on these systems. A computational algorithm for determining the stability of pasture ecosystems using autonomous impulse processes allows optimization problems to be solved to determine the conditions for the spread of external influences. Computational experiments were carried out to determine the parameters of the model corresponding to the sustainable mode of operation in arid pasture ecosystems. Full article
(This article belongs to the Special Issue Conservation Management Practices for Improving the Ecological Health of Pasture)
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17 pages, 3131 KiB  
Article
Effects of Green Manure Combined with Phosphate Fertilizer on Movement of Soil Organic Carbon Fractions in Tropical Sown Pasture
by An Hu, Rui Huang, Guodao Liu, Dongfen Huang and Hengfu Huan
Agronomy 2022, 12(5), 1101; https://doi.org/10.3390/agronomy12051101 - 30 Apr 2022
Cited by 15 | Viewed by 2820
Abstract
The application of green manure is a common way to increase the soil’s level of total organic carbon (TOC) and its fractions. However, the amount of green manure to apply and how the combined application of phosphate fertilizer affects the movement of TOC, [...] Read more.
The application of green manure is a common way to increase the soil’s level of total organic carbon (TOC) and its fractions. However, the amount of green manure to apply and how the combined application of phosphate fertilizer affects the movement of TOC, and of its fractions, is still unclear. We conducted a column experiment with two treatments of phosphate fertilizer (with and without) and green manure (0, low amount level, high amount level). The longitudinal movement distance and accumulation amount of each organic carbon fraction were investigated after 14 days and 28 days. The results indicated that green manure, phosphate fertilizer, and incubation time affected the movement of the soil organic carbon fractions by affecting the initial quality of the green manure (TOC, cellulose, and lignin content), as well as the changes in quality. Green manure significantly increased the accumulation amount of the organic carbon fractions in the soil, and the high-level input of green manure increased the movement distance and accumulation amount of the organic carbon fractions; phosphorus fertilizer did not have a significant effect on the movement distance of the organic carbon fractions, but it did significantly affect accumulation amount. The 28-day incubation period increased the movement distance and the accumulation amount of the organic carbon fractions, with the exception of the particulate organic carbon (POC), compared to the 14-day incubation period. Taken together, these findings suggest that the high-level of input of green manure combined with the application of P fertilizer is beneficial for increasing the movement of the organic carbon fractions to the depth of the soil, and promotes their accumulation, which is an important agronomic management strategy for improving soil acidity in tropical regions. Full article
(This article belongs to the Special Issue Conservation Management Practices for Improving the Ecological Health of Pasture)
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