The influence of conventional tillage on weed infestation and yield of corn in crop five-field rotation

The research objective was to study the influence of methods of the main soil cultivation on the contamina-tion and productivity of corn. The research was con-ducted in grain-growing crop rotation in field stationary experiment on educational training farm of "Minderlinskoe" ofFSBEI “Krasnoyarsk State Agrarian University”. The object of the research was chernozyom leached, characterized by raised maintenance of humus (6.1-8.0 %), neutral reaction of soil solution (pH - 6.1-7.0). Particle size distribution of lixivious chernozyom was heavy loamy. The research was carried out in crop rotation with the following alternation of cultures: cideral fallow - spring wheat - barley - corn -spring wheat. The total area of field experiment made 10 hectares. The frequency of the experiments was 4-fold. The term of crops of corn was the 3-rd decade of May. The norm of seeding of seeds of corn was 20 kg/hectare. In each option the corn was sowed on two backgrounds: without fertilizers and fertilized...