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The objective of the paper was to determine the amount and quality of the obtained biogas on the fermentation medium from the selected substrates of agri-food industry. The need to reduce the use of traditional energy and the growth of interest in RES is related to searching for alternative energy sources. To some extent they are to secure the national energy economy. Biogas installations are the...
The aim of the study was to determine the spatial distribution of farm equipment with technical means of production in a given period of time (the period of the agricultural census in 1996, 2002 and 2010) of 20 counties of Lubelskie Voivodeship. The scope of work included the spatial database of the examined region at the level of counties. The data were taken from the European Statistical Office...
The aim of the conducted study was to evaluate to what extent information technologies are used by farmers engaged in fruit-growing production with respect to implementing and maintaining a production system that is compliant with the GLOBAL G.A.P. standards. The study covered 71 farms associated in five producer groups. The study was conducted in Łódzkie and Mazowieckie provinces. Commercial farms...
The aim of this paper was to evaluate production technologies in organic farms in terms of the achievement of general and specific objectives of organic farming. The research was conducted in 210 organic farms (which had undergone the conversion period) located in Warminsko-Mazurskie, Lubuskie, Dolnośląskie, Zachodniopomorskie provinces. For the achievement of the objective pursued, crop rotation...
The aim of this work was to undertake a study to determine the amount of biogas emitted from fractions prepared from sugar beet leaves. Four types of combinations of batch mass were subjected to analysis. Tests were conducted over a period of 30 days. Measurements were taken twice a day, at the same time, from the moment of placing the batch into fermenters until the end of fermentation. In this study,...
The aim of this work was to characterize the productivity of conducting organic production in farms oriented to milk production. The aim of this work was achieved by determining the productivity of some factors of production, i.e. land, labor and machinery. The scope of this work covered farms associated in a producer group from the Podkarpackie province. The analysis of the obtained results showed...
The changes in Malopolska farms equipment with chosen tractor brands were presented. The study involved 356 farms, located in Malopolska region, in which 855 tractors were reported. The analyzes demonstrated that Ursus tractors purchase dominated several years ago, while the last years are characterized by a large variety of purchased equipment. The most commonly bought brands of tractors in the examined...
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