The article is devoted to the analysis of technology for cultivation of agricultural crops in case of the Republic of Karakalpkastan, and research results of MTA’s passage impact on the change of main physical soil features are provided. Along with this the structure and working principle of offered trace-loosen scratcher for «Magnum-8940» for soil loosening along tractor’s wheel tracks. The trace-loosen scratcher fairly suits the tractor “Magnum-8940”.
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