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Comparison of variable liming strategies in organic farming systems using online pH-measurements

  • In organic farming, soil pH is one of the most important soil characteristics affecting nutrient availability, soil microbial activity and plant growth. Using the soil pH mapping sensor system Veris MSP, detailed information on in-field variability of soil pH can be obtained enabling spatial variable lime application. Scenario calculations for an organically managed field in Germany reveal that compared with the standard farm practice (i.e. uniform liming rate) variable lime application does not lead to higher costs while soil pH is optimized in different field zones resulting in increased crop productivity. Using two different lime qualities increases liming costs moderately but gives farmers the chance to increase pH quickly in extreme low pH areas.

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Author:Anne Friederike BorchertORCiD, Hans-Werner OlfsORCiD, Herbert Pralle, Maik Kohlbrecher, Dieter TrautzORCiD
Title (English):Comparison of variable liming strategies in organic farming systems using online pH-measurements
Parent Title (English):Organic is Life : Knowledge for Tomorrow
Subtitle (English):Organic Crop Production (Vol. 1)
Place of publication:Bonn
Document Type:Conference Proceeding
Year of Completion:2011
Release Date:2024/03/05
Tag:Online-sensor; Soil pH variability; Variable liming strategies
First Page:21
Last Page:24
Third Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), 28.09.-01.10.2011, Namyangju (Korea)
Faculties:Fakultät AuL
DDC classes:600 Technik, Medizin, angewandte Wissenschaften / 630 Landwirtschaft, Veterinärmedizin
Review Status:Veröffentlichte Fassung/Verlagsversion
Collections:nur Publikationsnachweis