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Crop diversification across scales : implications for resource use and cropping systems sustainability

Rodriguez Gonzalez, Carolina (2021). Crop diversification across scales : implications for resource use and cropping systems sustainability. Diss. (sammanfattning/summary) Sveriges lantbruksuniv., Acta Universitatis Agriculturae Sueciae, 1652-6880
ISBN 978-91-7760-760-1
eISBN 978-91-7760-761-8
[Doctoral thesis]

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Abstract

The industrialization of agriculture and efforts to maximize yields of commodity crops are major drivers of biodiversity loss and disruption of ecosystems balance. To become more sustainable, agriculture needs to be aligned with the delivery of multiple ecosystem services, and reduce its dependency on external inputs and its negative environmental impacts. Increasing crop diversity may be a key strategy to promote multiple benefits and enhance the sustainable development of agroecosystems. More specifically, introducing crop diversification practices such as intercropping, cover crops, or diversified crop rotations may allow for efficient use of resources and enable the synergies of ecosystems processes and functions. In this thesis, I combined theoretical approaches and scientific methods along several scales to assess the sustainability of diversified cropping systems and increase the knowledge of complex cropping systems. The studies include a systematic review, field experiments, farmer interviews, sustainability assessments, and landscape analysis. I found that increasing crop diversity at field, farm, and landscape scales may enable synergies in these agroecosystems without causing yield reductions. Further, crop diversification showed promising effects on nutrient-use efficiency, reduced risk of nutrient losses and promoting associated biodiversity, thereby ensuring environmental sustainability and increasing the resilience of these diversified cropping systems. However, there are still several socio-economic factors that cause disadvantages in these diversified systems, demonstrating the need for increasing policy support or higher market demand for food produced in diversified cropping systems. The findings of this thesis support that increased crop diversity across spatial and temporal scales can contribute to resource-efficient production and enhance the delivery of ecosystem services, thus contributing to more sustainable cropping systems.

Authors/Creators:Rodriguez Gonzalez, Carolina
Title:Crop diversification across scales : implications for resource use and cropping systems sustainability
Series Name/Journal:Acta Universitatis Agriculturae Sueciae
Year of publishing :2021
Number:2021:41
Number of Pages:84
Publisher:Department of Biosystems and Technology, Swedish University of Agricultural Sciences
ISBN for printed version:978-91-7760-760-1
ISBN for electronic version:978-91-7760-761-8
ISSN:1652-6880
Language:English
Publication Type:Doctoral thesis
Article category:Other scientific
Version:Published version
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Agricultural Science
Keywords:complexity, cover crops, crop diversity, crop rotation, farmers perspectives, intercropping, interdisciplinary, landscape, nutrient use, sustainability
URN:NBN:urn:nbn:se:slu:epsilon-p-111932
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-111932
ID Code:23741
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Biosystems and Technology (from 130101)
Deposited By: SLUpub Connector
Deposited On:24 May 2021 06:43
Metadata Last Modified:26 May 2021 07:00

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