The aim of the study was to know the load capacity and weight of body machines for solid organic fertilizers, their overall length, width and height. Based on this knowledge, it is planned to determine the quantitative relationship between the load capacity of machines as a resultant feature and their weight and overall length, width and height, which in the study were considered as factorial features. The initial data on the load capacity and weight of machines and their overall dimensions were selected from the Catalogs of agricultural machinery produced by enterprises in the former Soviet Union. Relevant relationships were clarified using correlation-regression analysis and standard computer programs. Between the load capacity of machines on the one hand and their mass and size parameters on the other there is a positive correlation with correlation coefficients in the range of 0.718-0.958 with correlation ratios of the effective feature on the factorial from 0.840 to 0.925. Positive correlation coefficients indicated an increase in the load capacity of machines as their other studied parameters increased. It was found that the load capacity of machines with increasing their overall length and width increases with the corresponding exponents, and depending on the overall height and weight of the machines increases with the straight lines with positive angular coefficients. The developed graphs of changes in load capacity of machines depending on their mass and size parameters and the corresponding model regression lines should be taken into account when designing body machines for solid organic fertilizers and organizing their use in mechanized technological processes of crop production.

solid organic fertilizers, mechanization of application, body spreaders, parameters, correlation link

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