Influence of domestic liquid organic and mineral fertilizers on yield and quality indicators of sunflower hybrids

In ecological agriculture with the use of biological products and growth regulators, this is the safest and most effective means of protecting plants from pests and diseases. The article presents the results of research on the use of liquid organomineral fertilizers of domestic production on sunflower hybrids crops. The influence of the combined action of liquid organomineral fertilizers “Polydon Bio Oily”+“Biostim Oily and Polydon Bio Oily”+“Guttafol Oily” (mineral fertilizer background - N60P40K60) on the value of indicators of crop photosynthetic activity, the ground mass formation and accumulation, dry matter, products productivity and quality the results was obtained. The most productive sunflower hybrids cultivated on leached chernozems are: Apollo, Factor and EC Bella with a yield of up to 30-32 c/ha and an oil yield of up to 16 c/ha. The application of mineral fertilizers N60P40K60 and liquid organomineral fertilizers increases the oil content in the seeds of the hybrids under study and affects the collection of oil per unit area. In the control (without treatments) the oil content varied from 51.14% to 52.67%, the maximum oil yield in these options was 14.47 kg/ha; with the use of Polydon Bio Oily - 0.8 l/ha + Biostim Oily - 1.0 l/h the maximum oil content and oil yield - 54.83% and 15.69 kg/ha, respectively, with Polydon Bio Oily - 0.8 l/ha + Guttafol Oily - 1.0 l/ha - 53, 93% and 14.54 q/ha.

sunflower hybrids, yield, oil content, organomineral fertilizers