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Microclover in nursery management to reduce or avoid herbicides and nitrogen fertilization


Niedersächsisches Ministerium für Ernährung, Landwirtschaft und Verbraucherschutz

Federal State

Lower Saxony and Bremen


Calenberger Straße 2
30169 Hannover

Website: External link to the authority

Project Title

Microclover in nursery management to reduce or avoid herbicides and nitrogen fertilization

Project description

The Ammerland's nursery production takes place on container areas. The peat substitutes are highly nitrogen consuming due to bacterial conversion. In order to achieve good plant growth, more nitrogen must be added. At the same time, more herbicides must be used to combat wild weeds. Most herbicides that are used are harmful to the environment, are becoming less available and are encountering growing public acceptance problems. The mechanical alternative is to sprinkle with bark mulch or similar substances, which in turn leads to increased nitrogen depletion through bacterial conversion and is also not one hundred percent effective against wild weeds. An ecological alternative would be to sow microclover, which not only can fix nitrogen from the air in the soil, but also, once it has grown densely, leads to an improvement in the microclimate, improves water flow and suppresses the most important wild weeds. The project will investigate how to apply microclover, what influences it has on the nitrogen regime, water flow and air inputs in the substrate. The aim is to minimize the use of nitrogen and completely avoid the use of herbicides.

Final report

Results and the Final report will be found here, as soon as the project is completed.

Key words

  • Outdoor horticulture and woody crops (incl. viticulture, olives, fruit, ornamentals)
  • Plant nutrients

Main funding source

Rural development 2014-2020 for Operational Groups (in the sense of Art 56 of Reg.1305/2013)

OG contact information

Piccoplant Microvermehrungen GmbH
Brokhauser Weg 75
26129 Oldenburg

Phone: 0441-969800

Email: elke.haase@piccoplant.de

Type of OG partners

  • Farmer
  • Advisor
  • Researcher

Begin of project


Project status


Total budget applied for in EUR


Link 1

project website of EIP Lower Saxony



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