Change of the stress situation of spring wheat plants after foliage application of fertilizers and biopreparations
The article presents the results of studies on the study of the application of foliar top dressing of spring wheat to the tillering and spearing stage with mineral (Microel, Strada N, Biocomplex), microbiological fertilizers (Agrica), fertilizers based on humic acids (Reasil) and the influence of these methods on the change in the stress situation of plants spring wheat. Based on the analysis of proline content before and after application of agro-practices, the plant adaptation coefficient has been calculated, which shows the responsiveness of the crop to various agro-practices in a stressful situation. It is established that foliar top dressing with the studied preparations reduces the stress of spring wheat plants caused by unfavorable weather conditions, which is expressed in an increase in the anti-stress coefficient TO 1.19-1.38. The use of the studied preparations increased the yield of spring wheat by 0.27-0.57 t / ha, as well as the content of gluten in the grain to 26.8-28.4%, the IDK in this case was 81.4-85.1 units.