Marchenko V. Rational composition and effective utilization of machine's complex for applying hard organic fer-tilizers in forest-steppe region of Ukraine.

Organic fertilizers, technology, machine complex. An increasing effectiveness of the machinery em-ployment for the utilization of organic fertilizers in agricultural productions. A system approach, eco-nomics-mathematical modelling and statistical proc-essing of information, timing observations were used. Calculations were done with the using of personal computers. The methodics and mathematical model of mechanized process of organic fertilizers usage has been improned. Organising- operating basis of ra-tional machines utilization depending on production volume was developed. The effectiveness of carrying out new laborations were proved by their production inspection in the production unit of zone partially-woody steppe of Ukraine. The agricalture.