Nestorenko S. Productivity of sugar and popcorn depending upon chemical and agro-technical conditions of crops' cultivating in the Eastern Ukraine

The scientific news of achieved results is composed of the fact that firstly the specious' contain was found out and the critical edges of the harmful influence of the weeds in the corn sowings for the food demands and was created the complex system of protection of the sowings of the pop-corn and sweet-corn concerning the structure of the soil pollution and weather conditions.The practical meaning of the achieved results is composed of the fact that the edges of harmful influence of the weeds are found out, it is substantiated and recommended to produce the system of herbicides of differently focused influence for the usage in the sowings of pop-corn and sweet-corn, and also were stayed the optimal standards of their usage, taking into consideration the pollution of the sowings and biological peculiarities subtends of corn, there was suggested the system of combining both the chemical and mechanical methods of annihilation of weeds in these sowings.