Minister of Agriculture Barbara Otte-Kinast informed herself about sustainable and climate-friendly fertilizer systems in Wilstedt

07.2020
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Publisher: 3N Competence Center Lower Saxony Network Renewable Resources and Bioeconomy e.V.
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Werlte, July 22, 2020, v.i.S.d.P. Dr. Rottmann-Meyer
Minister of Agriculture Barbara Otte-Kinast informed herself about sustainable and climate-friendly fertilizer systems in Wilstedt-© 3N e.V. Hans Unterfrauner explains the Akra fertilizer system (from left): Minister Barbara Otte-Kinast, Hans Unterfrauner (Vienna soil institute), Ulrike Jungemann (Rotenburg district (Wümme))
© 3N e.V. Hans Unterfrauner explains the Akra fertilizer system (from left): Minister Barbara Otte-Kinast, Hans Unterfrauner (Vienna soil institute), Ulrike Jungemann (Rotenburg district (Wümme)) zoom
Minister of Agriculture Barbara Otte-Kinast informed herself about sustainable and climate-friendly fertilizer systems in Wilstedt-

The field trials on the farm of farmer Hermann Cordes in Wilstedt in the district of Rotenburg (Wümme) were the goal of Lower Saxony′s Minister of Agriculture Barbara Otte-Kinast. For two years now, sustainable and climate-friendly fertilizer systems have been tested here over a period of several years. The aim is the long-term testing of fertilization variants that increase the use of organic fertilizers and promote soil life.

Lower Saxony′s Agriculture Minister Barbara Otte-Kinast: “The field trials show how companies can meet the high demands of groundwater-friendly management. The testing of new fertilization methods is an important instrument. Here it becomes clear in which direction agriculture can develop in order to counter increasing climate change! "

"We not only implement a significantly N-reduced fertilization concept in the different crops on the field trial area, but also with good success on our other operating areas, which is based on special soil analysis and promotes soil life and humus build-up through special measures," reported the plant manager Hermann Cordes.

Holger Oest from the Bremervörde district office of the Lower Saxony Chamber of Agriculture, who took over the experimental supervision, initially presented the experiments to this small group of wheat in this year′s wheat crop.

The “Akra fertilizer system” from Austria is being tested. After a comprehensive soil analysis, selected lime and nutrient combinations are used for plant nutrition. Special strains of bacteria that are vaccinated on the seeds or given to the plant improve root growth, plant health and nutrient utilization. Another comparison variant "LWK-Premium" also provides for a special lime addition. The “AgriMestMix slurry preparation” from the Netherlands is also being tested, in which special microorganisms are used to inhibit nutrient leaching or outgassing.

In spring 2019, the multi-year crop rotation trial started in Wilstedt as part of the interregional EU project "BIOCAS". The 3N Competence Center Lower Saxony Network Renewable Resources and Bioeconomy works as a project coordinator together with the Lower Saxony Chamber of Agriculture, the district of Rotenburg, farmers, consultants and companies from the region and the Netherlands. The results of the now two-year examination will be published in autumn 2020.

"In the field trial presented, current questions from farmers are dealt with and solutions for our region are shown. This must be continued regardless of the project duration," appealed District Administrator Hermann Luttmann and thanked the project participants for the initiative.

Background

In order to avoid possible nitrate leaching, the use and utilization of organic fertilizers should be improved and the use of mineral fertilizers reduced. Efficient application techniques such as the direct incorporation of the organic matter are already being used in the district of Rotenburg. In addition, it is important to improve the soil and promote the build-up of humus in the soil in order to support water storage and root growth. This means that existing nutrients can be better absorbed from the soil and safer yields can be achieved if there is a lack of water, as in 2018 and 2019. This is where the collaborative project comes in, because the farmers and all the partners involved want to develop cultivation concepts together so that they are better prepared for the future.

The structural change in agriculture has brought enormous changes and challenges. While nutrients were previously not sufficiently available in agriculture, they are now available in excess in the district of Rotenburg (Wümme) and other regions in Lower Saxony with a view to developments in animal husbandry and biogas production. In addition to organic manure, mineral fertilizers are also used for certain crops. If the nutrients are not fully absorbed by the crop, it can shift into the groundwater. In addition, increasing climate change presents agriculture with new challenges in soil management (soil and water erosion).

Citizens and practitioners can see on the practice area whether the fertilizer systems at the sites in the Rotenburg district are convincing and bring about changes in growth. A sign in Wilstedt indicates this.


PI: Field trial of sustainable fertilizer systems

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