Volume 9
Issue 3
Agricultural Engineering
JOURNAL OF
POLISH
AGRICULTURAL
UNIVERSITIES
Available Online: http://www.ejpau.media.pl/volume9/issue3/abs-14.html
OPTIMIZATION OF THE CHOICE OF AGRICULTURAL MACHINES
Jacek Skwarcz
Chair of Technology Basis, Agricultural University in Lublin, Poland
ABSTRACT
The paper presents a new method of optimization of the choice of agricultural machines, which consists in determining the conditions that should be fulfilled in order that the purchase of a machine will be profitable for a farm. The method means making use of functional relations describing the dependence of unit costs of exploitation of an aggregate for organic fertilization with liquid fertilizers on the efficiency and the yearly time of the use of an aggregate. The results were analyzed in three aspects. The first referred to the profitability of the purchase of a machine for ones individual use. The second concerned the profitability of rendering the services, while the third – determining the conditions in which it will be profitable to use the purchased machine or device.
Key words: method, choice, ascenization fertilizers, optimization.
Jacek Skwarcz
Chair of Technology Basis, Agricultural University in Lublin, Poland
5OA Doświadczalna Street, 20-280 Lublin, Poland
phone: (+48) 081 461 00 61 ext. 229
email: jacek.skwarcz@ar.lublin.pl
Responses to this article, comments are invited and should be submitted within three months of the publication of the article. If accepted for publication, they will be published in the chapter headed 'Discussions' and hyperlinked to the article.