Cleaning of grain sowing material from weed seeds for the sustainable development of agriculture

Abstract

The article deals with the optimization of cleaning grains and seeds of agricultural crops from weed seeds. The process of cleaning grain material by one-dimensional horizontal vibrations depends on the friction coefficients of the seeds against each other. It is optimized by selecting the amplitude and angle, relative to the vertical, under which the cylindrical container containing the grain mixture is located. Experiments were carried out with almost all types of seeds most widely used in the domestic agricultural industry. The cleaning process was investigated only at amplitudes smaller than the seed size. The seeds of cultivated plants and weeds move upward or downward, depending on the specific gravity. Calculations show that with correctly selected values of the amplitude and angle, the average trajectories of the grains are practically straight lines parallel to the generatrix of the cylinder containing the seeds. Studies have shown that the maximum cleaning speed is achieved under the condition that the angle of inclination of the cylindrical vessel is equal to the natural slope of the seeds with the highest specific gravity.

Studying the structural changes in the volume of agricultural crop production in the regional agro-industrial complex

“…A number of scientists have identified the connection between transformational changes in the territorial structure and the prospects for the development of grain production [4], and the role of digitalization in solving the problems of efficient land management has been determined [5]. Efficient farming is manifested through modern machinery and production technologies, as evidenced by many scientific publications [6][7][8][9][10][11][12][13]. A number of researchers believe that the efficiency of agricultural production should be based on investment in innovation [14][15][16][17], others agree that the successful development of the industry requires state support [18][19][20].…”