Cropping Systems in Managing Energy Crops Production

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

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 2546

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Guest Editor
Department of Agriculture Food & Environment, University of Pisa, Via del Borghetto 80, I-56124 Pisa, Italy
Interests: sustainable agriculture; cropping systems; energy crops; yield physiology of the main herbaceous field crops; plant nutrition and allelopathy
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Special Issue Information

Dear Colleagues,

As you know, the Paris Agreement has led to virtually all countries around the world agreeing to limit global warming well below 2 °C compared to pre-industrial levels.

Accordingly, each country was requested to define its post-2020 climate actions, known as nationally determined contributions (NDCs). In fact, around 90% of countries that had submitted their NDCs, as of early December 2020, included renewable energy targets for generating electricity.

These political objectives will create an increased demand for agricultural land for energy crops, which will compete with food and feed production, and also impact on nature and landscape conservation.

Consequently, alternative cropping systems for energy crop production that are both economically beneficial and environmentally compatible, but also socially acceptable, must be designed and implemented.

As cropping systems determine both the type and sequence of crops grown and the practices used for cultivating them, an optimization of the entire agricultural process at the most sustainable level requires energy crops with high energy yield potential, along with the lowest possible environmental impacts.

Forward-looking research will have a key role in the development and innovation of cropping systems. The aim of this Special Issue is thus to publish original contributions that evaluate energy crop production at the cropping system level.

We welcome original research articles as well as review articles addressing crop combinations and their sequences and the different management intensities and strategies in energy cropping systems.

We expect that the published findings will be useful in defining and evaluating energy crop production at the cropping system level, thus providing information crucial to policies aimed at energy and food security.

Dr. Silvia Pampana
Guest Editor

Manuscript Submission Information

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Keywords

  • biomass
  • climate change
  • crop rotation
  • cropping systems
  • environmental impact
  • EU Energy Roadmap 2050
  • energy efficiencies
  • management practices

Published Papers (1 paper)

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Research

11 pages, 1217 KiB  
Article
Integrated Management Practices for Establishing Upland Switchgrass Varieties
by Pawan Kumar, Masoud Hashemi, Stephen J. Herbert, Emad Jahanzad, Hadi Safari-Katesari, Martin Battaglia, Omid Reza Zandvakili and Amir Sadeghpour
Agronomy 2021, 11(7), 1400; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy11071400 - 13 Jul 2021
Cited by 3 | Viewed by 1870
Abstract
Establishment of switchgrass (Panicum virgatum L.) is challenging, and failure in establishment may expose growers to considerable economic risk. The objectives of this research were to (i) evaluate whether management practices are variety-specific for the establishment of switchgrass and (ii) assess the [...] Read more.
Establishment of switchgrass (Panicum virgatum L.) is challenging, and failure in establishment may expose growers to considerable economic risk. The objectives of this research were to (i) evaluate whether management practices are variety-specific for the establishment of switchgrass and (ii) assess the effectiveness of cover crops as preceding crops on ‘Shawnee’ switchgrass establishment. Therefore, two studies were conducted at the University of Massachusetts Agricultural Experiment Station in Deerfield, MA, USA, in the 2011–2012 and 2012–2013 growing seasons. In Experiment 1, cover crop treatments (fallow, oat (Avena sativa L.) and rye (Secale cereale L.)) were the main plots, the two seeding methods (no-till drill and a cultipacker seeder (Brillion)) were the sub-plots, and the two varieties (‘Cave-in-Rock’ (CIR) and Shawnee)) were the sub-sub-plots. The second study was conducted using Shawnee switchgrass and involved the three cover crop treatments used in Experiment 1 using a cultipacker seeder with seed firming prior to planting but not afterwards (consistent in both experiments). The results indicated that a combination of oat and no-till resulted in higher tiller density (493%), lower weed biomass (77%), increased switchgrass biomass (SGB) (283%) and SGB to weed biomass (WB) ratio. Compared with Shawnee, CIR planted into a winter-killed oat residue had higher tiller density (93%), lower weed biomass (18%), higher switchgrass yield (128%) and thus a greater SGB:WB ratio (507%). Trends of switchgrass response to management practices, however, were similar between the two varieties, indicating that seed quality rather than management practices could influence switchgrass’s response to management practices. In Experiment 2, Shawnee tiller density was suppressed by rye as the preceding crop, possibly due to late termination of rye. Shawnee switchgrass yields were below 1000 kg ha−1 under all management practices; thus, harvesting should happen in the year following establishment. Future research should focus on comparing no-till drilling with cultipacker seeder with rolling not only before but after seeding to increase seed–soil contact. Full article
(This article belongs to the Special Issue Cropping Systems in Managing Energy Crops Production)
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