RESEARCH ON ORGANIC POTATO CULTIVATION
Abstract
In the experimental field from Luna de Sus (Cluj county) there have been conducted the following studies: the suitability of four potato varieties (Adora, Desirée, Rustic and Santé) to organic cultivation; agronomic solutions to improve yields level (planting material pre-germination, weed curry use in crop works); different factors influence on yields stability and economic efficiency (climate conditions, genetic features, applied technology); the crop sequence and crop rotation; potato’s vegetation cycle in the specific climate conditions; influence of organic fertilizers on plants growing and yields; influence of different methods in diseases, pests and weeds control. The 2008-2009 farming season main conclusions are as following: Santé variety has had the best behavior, being considered the most suitable variety to organic farming. EUROBIO 26, Azotofertil, Ecofertil P and Biomit Plussz biofertilizers are able to substitute the solid and liquid manure. In the same time, they have proved to be effective in disease control. The impact of biofertilization has been observed even on weeds incidence: the average weeds number has significantly decreased. Very few disease attacks have been observed and been kept under control using NeemAzal and copper hydroxide treatment. The maximum yields have been obtained in the “on soil + in green fertilization” scheme for all varieties. The cost-benefit analysis shows Adora variety to have the best economic efficiency.The papers published in the journal are licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License, which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.
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