Coordinatore | WAGENINGEN UNIVERSITY
Organization address
address: DROEVENDAALSESTEEG 4 contact info |
Nazionalità Coordinatore | Netherlands [NL] |
Totale costo | 215˙599 € |
EC contributo | 215˙599 € |
Programma | FP7-PEOPLE
Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013) |
Code Call | FP7-PEOPLE-2009-IEF |
Funding Scheme | MC-IEF |
Anno di inizio | 2011 |
Periodo (anno-mese-giorno) | 2011-01-01 - 2014-07-31 |
# | ||||
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1 |
WAGENINGEN UNIVERSITY
Organization address
address: DROEVENDAALSESTEEG 4 contact info |
NL (WAGENINGEN) | coordinator | 215˙599.20 |
2 |
KONINKLIJKE NEDERLANDSE AKADEMIE VAN WETENSCHAPPEN - KNAW
Organization address
address: KLOVENIERSBURGWAL 29 HET TRIPPENHUIS contact info |
NL (AMSTERDAM) | participant | 0.00 |
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'The role of biodiversity for the functioning of ecosystems and the provisioning of ecosystem services is a key issue in ecology. Both in natural ecosystems and in agriculture legumes are critical for enhancing ecosystem productivity because of their ability to fix aerial nitrogen (N). Many studies have tested how non-leguminous plants may benefit from legumes, however, a main and unresolved question is whether and how legumes can benefit from growing with non-leguminous species. This question is central in my proposed research. Models predict that increased N input from legumes will feed back to suppression of legumes by non-leguminous species that are better competitors for light, which suggests that legumes will perform best in monocultures. However, field observations indicate that productivity of legume monocultures is unstable and that legumes must have an advantage of growing in mixtures with non-leguminous species. It has been suggested that interactions with soil organisms are critical in explaining why legumes persist poorly, but whether non-leguminous species can modify soil properties to the benefit of legumes remains to be tested. The aim of my proposal is to unravel how leguminous grassland species may benefit from growing with non-leguminous species through interactions with abiotic (resources) and biotic (detrimental and beneficial) soil components and whether enhancement of legumes results in increased plant community productivity and nutrient retention. My three specific study objectives are: 1. How aboveground and belowground traits of leguminous species and non-leguminous species may promote complementary use of resources 2. How non-leguminous plants may suppress root herbivores of the legumes and 3. How non-leguminous plants may promote positive effects of root mutualistic symbionts. The main benefits of the program for my career are enhanced independency, experience in cutting-edge techniques and coaching in acquiring funding.'
An EU-funded project has investigated how plant and soil traits can influence the productivity of mixed legume and non-legume communities.
Legumes (like peas and beans) play a critical role in agriculture and natural ecosystems by improving plant growth and soil nutrient levels through nitrogen fixation. While it is well-known that non-legumes benefit from coexisting with legumes, the questions remains whether the reverse is also true.
The aim of the 'Promoting legume-non-legume communities through plant and soil traits' (PROLEGSO) project was to determine whether non-legumes help legumes thrive. It focused on identifying if this benefit was due to complementary resource use, reduced root damage or by increasing beneficial nitrogen-fixing bacteria and symbiotic fungi.
Scientists found that legumes, such as clover, benefited from coexisting with slow-growing non-legume species that take up less phosphorus and potassium. However, planting mixed crops did not prevent legume roots from being eaten by nematodes (common soil pests).
Experiments also showed that non-legumes can make soils better for legumes by promoting symbiotic organisms such as mycorrhizal fungi and rhizobia. However, this benefit only occurred in the presence of specific communities of mycorrhizal fungi.
PROLEGSO outcomes may help the agricultural industry reap the productivity benefits of plant quality through stable mixed crops of legumes and non-legumes. This knowledge could help to make better use of natural plant diversity and reduce the need for unsustainable and environmentally harmful mineral fertilisers.
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