* - before planting the tubers should be dipped into solution of growth stimulant Basfoliar Kelp SL at a concentration of 400 ml: 100 liters of water;
** - Foliar dressing can be combined with the application of plant protection products, stimulant fertilizers Basfoliar Kelp SL and Basfoliar Aktiv SL or antistress agent Basfoliar Avant Natur SL;
*** - The figure illustrates a general crop fertilizer system.
Additional products and fertilizer application rates can be included in the supply system based on the results of agrochemical soil survey, conventional yield, the amount of applied mineral fertilizers at the forecrop.