Life Cycle Assessment on Precision Agriculture

A special issue of AgriEngineering (ISSN 2624-7402). This special issue belongs to the section "Sensors Technology and Precision Agriculture".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 3592

Special Issue Editor


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Guest Editor
1. Agriculture University of Athens, 11855, Athens, Greece
2. Benaki Phytopathological Institute,14561 Kifisia Attica, Greece
Interests: precision agriculture; climate change; agriculture; sustainable agriculture; environment

Special Issue Information

Dear Colleagues,

The European Green Deal sets out how to make Europe the first climate-neutral continent by 2050. The Farm-to-Fork Strategy is a new approach to ensure that agriculture, fisheries and aquaculture, and the food value chain contribute appropriately to this process. More recently, the COVID-19 pandemic has underlined the importance of a robust and resilient food system. Agriculture is an important contributor to climate change through emissions of GHGs and air pollutants. The sector accounts for around 10 % of all GHGs in the EU. Non‑CO2 emissions of methane (CH4) emissions from enteric fermentation make up the largest share (38 %) of all GHG emissions in the sector. One potential relevant agronomic practice for climate change mitigation and emission reduction purposes is Precision Agriculture (PA). Land management with PA can reduce agricultural input use (fertilizers, pesticides, water, and energy) and maintain or even increase crop production for food or feed. Simultaneously, Precision Livestock Farming (PLF) can significantly reduce feed amounts while covering the needs of animals by providing feed when it is required using robotic technologies, and can improve animal health and welfare by early disease detection systems. There is a strong need for a clear perspective of environmental and economic implications of precision agriculture technologies. In this aspect, the Life Cycle Assessment (LCA) tool is recognized among the most complete and widely used methodological frameworks for assessing the environmental impact of products and processes. This Special Issue aims to present a selection of original and innovative papers highlighting the most challenging aspects relating to the comprehensive integration of life cycle thinking in sustainable production with regard to PA and environmental impact assessment. This will include, but is not limited to, the following: environmental impact assessment of precision farming (including livestock) techniques, technologies and systems, adaptation and mitigation measures, and policy recommendations. Problems, challenges, perspectives, and opportunities with respect to the different applications of the LCA will reveal the dynamic of LCA as a sustainable tool. Successful paradigms of LCA methodology application in specific case studies are particularly welcome.

Dr. Anna Vatsanidou
Guest Editor

Manuscript Submission Information

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Keywords

  • LCA of precision farming techniques
  • environmental impact of precision agriculture
  • site-specific management
  • LCA on Precision Livestock Farming
  • greenhouse gas emissions

Published Papers (1 paper)

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Research

12 pages, 2842 KiB  
Article
Energy Efficiency of Variable Rate Fertilizer Application in Coffee Production in Brazil
by Graciele Angnes, Maurício Martello, Gustavo Di Chiacchio Faulin, José Paulo Molin and Thiago Libório Romanelli
AgriEngineering 2021, 3(4), 815-826; https://0-doi-org.brum.beds.ac.uk/10.3390/agriengineering3040051 - 19 Oct 2021
Cited by 3 | Viewed by 2938
Abstract
Coffee is a crop of great relevance in socioeconomic terms for Brazilian agribusiness, which is the world’s largest producer in cultivated areas. The implementation of precision agriculture in the coffee culture has provided countless benefits to its development, which over the years has [...] Read more.
Coffee is a crop of great relevance in socioeconomic terms for Brazilian agribusiness, which is the world’s largest producer in cultivated areas. The implementation of precision agriculture in the coffee culture has provided countless benefits to its development, which over the years has been cultivated in the same area. However, there is a lack of studies that address the impact of the application of variable-rates inputs in soil on the energy efficiency and sustainability of these systems. This study aimed to analyze how variable-rate fertilization influences energy efficiency in coffee growing. A production area subjected to variable and fixed rates of fertilizer in alternating rows was evaluated. Geo-referenced yield data was collected to assess yield response for fixed and variable rate applications. The energy assessment was combined with the Geographic Information System (GIS) to determine site-specific energy indicators. To determine the energy flow, only NPK fertilizer applications were considered as inputs and the yield as output. The results obtained indicated that the variable rate fertilizer application has a small difference, indicating greater energy efficiency concerning the applied fertilizer and coffee production per crop season. It was observed in the 06/07 crop, the incorporated energy was 10.7 MJ kg−1 for VR and 10.2 MJ kg−1 for UR and for the 07/08 crop it was 30.7 MJ kg−1 for VR and 34.9 MJ kg−1 for UR. The energy balance was more efficient at variable rates, as it provided fertilizer savings without compromising yield. However, the difference between the embodied energy per mass of coffee produced was very small compared to the fixed rate. Full article
(This article belongs to the Special Issue Life Cycle Assessment on Precision Agriculture)
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