Raupp, Dr Joachim and Oltmanns, Meike (2006) Effects of plant based organic fertilizer (faba bean meal) compared to farmyard manure on yield and quality of potatoes and soil organic matter levels. Poster at: Joint Organic Congress, Odense, Denmark, May 30-31, 2006.
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Summary in the original language of the document
Whereas the positive effects of farmyard manure on soil biological properties have been shown in several long-term experiments, no comparable information was available for plant based organic fertilizers. Since 1996 such materials were applied with the same amount of total nitrogen as farmyard manure (100 (kg ha-1) on a poor sandy soil. In 2005 it was found that faba bean meal application caused the same potato yield, and tubers with the same phosphorus content, but lower potassium and slightly increased starch contents compared to farmyard manure. Tuber quality was similar as regards nitrate content. However, as regards crude extract darkening better values have been achieved by farmyard manure. Soil organic matter content was lower with faba bean meal than with farmyard manure.
EPrint Type: | Conference paper, poster, etc. |
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Type of presentation: | Poster |
Keywords: | faba bean meal, plant based fertilizer, stockless organic farming, farmyard manure, soil organic matter, potatoes, yield, quality, BÖL, BOEL, FKZ 03OE179 |
Subjects: | Crop husbandry > Production systems > Root crops Crop husbandry > Composting and manuring |
Research affiliation: | Germany > Forschungsring e.V. (formerly IBDF) > Farmyard Manure International Conferences > 2006: Joint Organic Congress > Theme 4: Crop systems and soils Germany > Forschungsring e.V. (formerly IBDF) > Soil Life Germany > Forschungsring e.V. (formerly IBDF) > Crop Growth and Yield Germany > Federal Organic Farming Scheme - BOEL > Plants > Pflanzenernährung |
Deposited By: | Raupp, Dr. Joachim |
ID Code: | 7596 |
Deposited On: | 09 May 2006 |
Last Modified: | 12 Apr 2010 07:32 |
Document Language: | English |
Status: | Published |
Refereed: | Not peer-reviewed |
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