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Aufsatz
Cultivating changes: Urban Agriculture as a tool for socio-spatial transformation
(Department of Organic Food Quality and Food Culture at the University of Kassel, Germany and Federation of German Scientists (VDW), 2017-06-20)
Urban gardening initiatives have evolved from their original purpose of food production to assume aesthetic, recreational, educational, social, or therapeutic functions. The general objective of this paper was to determine the new socio-spatial configuration into which these experiences have been implemented, in order to determine the diversity of actors involved in urban agriculture (UA) within the municipality of Perugia. Secondary objectives were to explore the social and environmental capital produced and to ...
Aufsatz
OrtiAlti as urban regeneration devices: An action-research study on rooftop farming in Turin
(Department of Organic Food Quality and Food Culture at the University of Kassel, Germany and Federation of German Scientists (VDW), 2017-06-20)
This paper discusses the role rooftop food gardens can play as urban regeneration devices, by combining environmental and social benefits and leveraging food production as a mediating function. In particular, this study focuses on the case of OrtiAlti, an action-research project based in Turin, set up to revitalize abandoned or under-utilized urban buildings through rooftop community gardens. The research is aimed at understanding the extent to which rooftop farming can contribute to urban regeneration processes if ...
Aufsatz
Urban gardens and institutional fences: The case of communal gardens in Turin
(Department of Organic Food Quality and Food Culture at the University of Kassel, Germany and Federation of German Scientists (VDW), 2017-06-20)
Urban gardens take on different forms and meanings, which vary depending on the socio-economic context where they located/used and how it evolves over time. This makes a garden comparable to a micro-social ecosystem, different from other gardens and ever changing. As with every social-ecosystem resulting from a territorialisation process, there is a certain degree of social inertia that makes it difficult for outsiders with new motivations and demanding new spaces to enter into the “garden ecosystem”. Drawing on ...
Aufsatz
A productive permaculture campus in the desert: visions for Qatar University
(Department of Organic Food Quality and Food Culture at the University of Kassel, Germany and Federation of German Scientists (VDW), 2017-06-20)
In Qatar food and water security are high on the agenda of safe and sustainable development. At the same time, rapid urbanisation which is not integrated with ecological landscape design is contributing urban sprawl, fragmented landscapes and to the loss of biodiversity. At Qatar University, the architecture department has been working for several years on the concept of regenerative cities to develop an integrated approach to planning and design and to increase resource efficiency and quality of life. This has led ...
Aufsatz
Optimizing irrigation requirements for almond trees grown in the South Sinai Governorate
(Department of Organic Food Quality and Food Culture at the University of Kassel, Germany and Federation of German Scientists (VDW), 2017-10-17)
South Sinai, Egypt is considered one of the most severe governorates for water scarcity. The current work aims to optimize irrigation requirements for almond trees (Prunus dulcis, syn. Prunus amygdalus, var. nonpareil) in the El-Tor area, South Sinai. Climate data of the El-Tor area was collected from 2010 to 2014 to calculate evapotranspiration. Two evapotranspiration equations were used in this work: Penman-Monteith (complex radiation equation) and Blaney-Criddle (simple temperature equation). Regression analysis ...
Dissertation
Interactions of organic amendments, pea (Pisum sativum L.) growth, arbuscular mycorrhizal fungi and other soil microorganisms
(2017-07-25)
Microbial decomposition of organic substances in soil is a central process for maintaining nutrient cycling, and it can be affected by the presence of plants, especially by mycorrhizal plants, in different ways. Organic fertilizers maintain soil fertility and increase crop productivity. Less attention has been paid to C-rich organic fertilizers. On the other hand, legumes are the main source of N input in organic farming. However, field peas grown as a sole crop suffer many problems that make the yield low and ...
Dissertation
Integrated soil fertility management in eastern and western Africa: The role of knowledge and innovation systems, its adoption and impact
(2017-01-31)
The rise in population growth, as well as nutrient mining, has contributed to low agricultural productivity in Sub-Saharan Africa (SSA). A plethora of technologies to boost agricultural production have been developed but the dissemination of these agricultural innovations and subsequent uptake by smallholder farmers has remained a challenge. Scientists and philanthropists have adopted the Integrated Soil Fertility Management (ISFM) paradigm as a means to promote sustainable intensification of African farming systems. ...
Dissertation
Nitrogen use efficiency and optimization of nitrogen fertilizer application for stable yields and high quality of cereals grown in conservation agriculture
(2017-01-23)
In most agroecosystems, nitrogen (N) is the most important nutrient limiting plant growth. One management strategy that affects N cycling and N use efficiency (NUE) is conservation agriculture (CA), an agricultural system based on a combination of minimum tillage, crop residue retention and crop rotation. Available results on the optimization of NUE in CA are inconsistent and studies that cover all three components of CA are scarce. Presently, CA is promoted in the Yaqui Valley in Northern Mexico, the country´s major ...
Dissertation
Water use efficiency and management of agro-pastoral landuse systems in the Mongolian-Chinese Altay
(2017-02-08)
The use of organic fertilizers is an important approach to maintain soil fertility of irrigated agricultural land under the semi-arid climate conditions of Oman. However, gaseous emissions of carbon and nutrients from soil and organic fertilizers are a major challenge. Activated charcoal and tannins have the potential to reduce gaseous losses of carbon and nitrogen. Therefore, gaseous emissions of carbon dioxide (CO2), ammonia (NH3) and nitrous oxide (N2O) were measured by a photo-acoustic infrared multi-gas monitor. ...
Dissertation
Conservation agriculture in organic farming: Impacts on weeds and plant-parasitic nematodes during the transition
(2017-10-12)
Der Bodenschutz ist eine der wichtigsten Anforderungen an die Landwirtschaft im 21. Jahrhundert. Daher sind nicht-wendende Bodenbearbeitungssysteme, basierend auf dem Anbau von Untersaaten und Zwischenfrüchten, verstärkt in den Fokus der europäischen Agrarwirtschaft geraten. Allerdings können diese neuartigen Systeme das Spektrum und die Abundanz gewisser Krankheiten, Schädlinge und Unkräuter grundlegend verändern. Ein Beispiel ist die Zunahme von Unkräutern und ihren Samenbanken während der Übergangsphase von ...