Abstract
The physical and mechanical properties of the soil and onion seeds, such as the size, shape, mass, density, and the static coefficient of friction on various surfaces play an important role in the development of the dosing working bodies of the seeder. Uzbekistan has recently created various new varieties of onions. Therefore, there is a need to study the physical-mechanical properties of onion seeds of the new varieties to substantiate the parameters of the dosing devices of seeders.
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