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Agronomy
Special Issues
Influence of Crop Rotation on Crop Yields
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Influence of Crop Rotation on Crop Yields

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Innovative Cropping Systems".

Deadline for manuscript submissions: closed (31 August 2019) | Viewed by 7614

Special Issue Editor

Dr. Ian Shield

E-Mail Website
Guest Editor
Sustainable Agriculture Sciences-H, Rothamsted Research, Harpenden, UK

Special Issue Information

Dear Colleagues,

Crop rotation is a central concept in agronomy, yet few studies are reported that truly examine the many effects of rotating crops over time on the same area of land. This is largely because by their very nature crop rotation studies are long-term and accessing and maintaining funding for such activities has become increasingly difficult. That said, long-term studies with a crop rotation aspect do exist and it is timely to bring together a set of papers, reporting the many effects that have been recorded in a Special Issue of Agronomy. Papers are invited for submission that cover all aspects of crop rotation; weeds, pests, diseases, fertilisers, soil biology and physics, and wider environmental effects, all of which ultimately impact on crop yield. However, other important aspects of crop rotation impact farm management, e.g. logistical and financial effects. In many agricultural systems the simplification of farm management and maximisation of financial return that has resulted in less diverse cropping and many examples of associated problems. For some, these problems are becoming insurmountable and the greater diversification of cropping in rotation holds great promise to redress the balance. Evidence from the studies of others is a vital part of that decision making.

Dr. Ian Shield
Guest Editor

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

  • Crop rotation
  • Cropping diversity
  • Yield
  • Weeds
  • Pests
  • Diseases
  • Soils
  • Management

Published Papers (2 papers)

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Research

17 pages, 348 KiB  
Article
Crop Rotation Compared with Continuous Rye Cropping for Weed Biodiversity and Rye Yield. A Case Study of a Long-Term Experiment in Poland
by Magdalena Jastrzębska, Marta K. Kostrzewska, Marek Marks, Wiesław P. Jastrzębski, Kinga Treder and Przemysław Makowski
Agronomy 2019, 9(10), 644; https://doi.org/10.3390/agronomy9100644 - 16 Oct 2019
Cited by 7 | Viewed by 3071
Abstract
In recent years, sustainable agriculture has revitalized interest in crop rotations and their effects on crop performance and agroecosystem biodiversity, including weeds. This article used winter rye as an example and focused on the crop rotation (CR) impact on species, taxonomic and functional [...] Read more.
In recent years, sustainable agriculture has revitalized interest in crop rotations and their effects on crop performance and agroecosystem biodiversity, including weeds. This article used winter rye as an example and focused on the crop rotation (CR) impact on species, taxonomic and functional diversity of weed communities and analysed the contribution of crop rotation to protecting yield and regulating weed abundance. Long-term continuous rye cropping (CC) provided a background for comparison. Two variants of plant protection were also adopted: herbicide application (H+) and no plant protection (H−). The data from the 10th, 30th and 50th years of the experiment were included in the analysis. Diversified crop rotation with no chemical protection resulted in a satisfactory rye yield and reduced weed abundance—especially problem species—without a decrease in weed species diversity or functional diversity. When rye was grown under crop rotation, the herbicide application had no effect on yield protection, but it was harmful to weed biodiversity. The rye yield correlated negatively with weed biomass, but did not show a link with weed biodiversity. Continuation of long-term experiments as a research basis for contemporary and future scientific challenges is necessary. Full article
(This article belongs to the Special Issue Influence of Crop Rotation on Crop Yields)
13 pages, 265 KiB  
Article
Allelopathic Activity of Spearmint (Mentha spicata L.) and Peppermint (Mentha × piperita L.) Reduces Yield, Growth, and Photosynthetic Rate in a Succeeding Crop of Maize (Zea mays L.)
by Anestis Karkanis, Alexandros Alexiou, Christos Katsaros and Spyridon Petropoulos
Agronomy 2019, 9(8), 461; https://doi.org/10.3390/agronomy9080461 - 16 Aug 2019
Cited by 12 | Viewed by 4222
Abstract
The inclusion of species with allelopathic activity in crop rotation systems may have benefits for crop management such as weed control, but less is understood about their wider impacts on succeeding crops. The main objective of this study was to investigate the effects [...] Read more.
The inclusion of species with allelopathic activity in crop rotation systems may have benefits for crop management such as weed control, but less is understood about their wider impacts on succeeding crops. The main objective of this study was to investigate the effects of two allelopathic species (spearmint and peppermint) on growth, physiological characteristics, and yield of a following maize crop. Thus, field experiments were carried out at two sites, according to a randomized complete block design, while the examined treatments were: (a) fallow–fallow–maize crop rotation system (FFM), (b) spearmint–spearmint–maize crop rotation system (SSM), and (c) peppermint–peppermint–maize crop rotation system (PPM). Our results indicated that the inclusion of spearmint or peppermint in crop rotation systems negatively affect the growth of maize plants. The highest plant height was recorded for FFM rotation system where no allelopathic species were used. At both sites and for four sampling dates, the aboveground dry biomass was also affected by the implemented crop rotation system. In particular, dry biomass was significantly lower in the PPM and SSM crop rotation systems comparing to the FFM system, whereas there were no significant differences between these two crop rotation systems. Similar to the maize biomass, the highest values of photosynthetic rate, stomatal conductance, and relative chlorophyll content were observed for the FFM rotation system. Additionally, differences in grain yield were observed among the tested crop rotation systems. Grain yield ranged from 10,200 to 13,346 kg ha−1 and from 11,773 to 14,106 kg ha−1 at site A and B, respectively, while it was reduced by 16.54–23.58% and 12.16–17.83% in the SSP and PPM rotation systems comparing to the FFM system. In conclusion, our results indicate that the inclusion of peppermint or spearmint in crop rotation may inhibit plant growth and reduce grain yield of maize as successive crop, an effect that could be attributed to the allelopathic activity of spearmint and peppermint. Full article
(This article belongs to the Special Issue Influence of Crop Rotation on Crop Yields)
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