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The conducted study attempted to link the kinetics of convective drying of lavandin flowers with the quality of the obtained raw material determined by essential oil content, in order to optimize the process. The flowers were dried under natural convection conditions as well as in laboratory dryers with forced drying agent circulation under varying temperatures and periodical time of operation of...
Only products containing substances listed in the Regulations (EC) No 889/2008 and 354/2014 are permitted in the protection of organic crops. Despite the common list of active substances and schemes of qualifying products for use in organic farming, availability of measures to protect organic farming in the Member States varies widely. Obtaining information concerning the list of plant protection...
The paper discusses the contents and chemical forms of potassium in post-mining soils after 35-year-long experimental cultivation. In the experiment the post-mining dump deposits were fertilized with N, P, K, NK, NP, PK or NPK. Wheat and rape were sowed on the fields. The control field was left unfertilized. In the years 2014-2016 surface (0-30 cm) and subsurface (30-60 cm) layers of fertilized and...
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