INFLUENCE OF SEEDING NORMS AND METHODS OF SOWING SUDANESE GRASS ON THE YIELD OF GREEN MASS IN THE FOREST-STEPPE ZONE OF THE RSO-ALANIA

Abstract

Sudanese grass is one of the main crops of the green conveyor, where it is sown at different times and used in several periods. The sown areas are determined based on the average yield in this farm, the duration of feed use and the number of livestock for which the green conveyor is organized. The purpose of the research was the influence of seeding rates and sowing methods on the yield of green mass in the forest – steppe zone of the RSO-Alania. The research was carried out at the experimental field of the SCNIIGPSH VNC RAS during 2018-2020. Field experiments were laid in three-fold repetition, the area of the plot is 10 sq. m. The subject of research was the Sudanese grass Grazia variety, which is included in the State Register for the Central Chernozem, North Caucasus and Lower Volga regions for silage. The authors found that the best way to sow Sudanese grass in the foothill zone of the RSO-Alania should be considered a wide-row one. Forage crops should be carried out in more arid areas and in heavily clogged fields. At the same time, the yield of green mass is almost not reduced, but the crops are clean of weeds, soil moisture is consumed better and more economically. The largest yield of the green mass of the Sudanese grass was obtained with a wide-row sowing method with a seeding rate of 2.5 million/ha, with a narrow-row sowing method-2.0-3.5 million/ha. The results obtained allow us to recommend the Grazia variety of Sudanese grass for green fodder in the forest – steppe zone of the RSO-Alania for widespread use.