Struktura własnościowa środków mechanizacji rolnictwa w Polsce w latach 1990-2010

During the years 1996-2010, on private farms, number of tillage aggregates increased by 849.3%, field sprayers by 35.3%, orchards sprayers by 47.4%, forage harvesters (excluding self-propelled ones) by 30.5%, pipeline milking machines by 381.3%, tank milk refrigerators by 291.7%. Instead, decreased numbers of self-propelled forage harvester – by 4.5%, bucket milking machines – by 41.1%, refrigerators of milk in buckets – by 75.8% were noted. During the years 1987-2010 on private farms, the increase in numbers was noted in cases of: fertilizer spreaders by 64.6%, manure spreaders by 55.1% potato planters by 181.2%, tractor movers by 91.2%, balers by 527.7%, pick-up trailers by 132.4%, harvester threshers by 390.4%, sugar beet harvesters by 175.8%, potato harvesters by 183.6%, potato diggers by 54.7%, trailers by 608% and loaders by 207.2%. During the years 1988–2010 on other farms, the number of machines decreased in cases of: fertilizer spreaders by 88.3%, manure spreaders by 92.8%, tractor mowers by 89.2%, balers by 91.2, pick-up trailers by 95%, harvester threshers by 91.2%, sugar beet harvesters by 93.6%, potato harvesters by 96.3%, trailers by 90.0%, and loaders by 95.3%. In 2010 number of tractors on private farms was by 42.0% higher, and on other farms - by 86.2% lower than in 1990. During the years 1990-2010 the per-cent share of the net value of machinery in private sector increased from 81.7 to 93.0% and in the public sector decreased from 18.3 to 7.0%. At the same time, the degree of consumption of machinery in private sector increased from 57.7% to 87.7%, and in the public sector – from 66.8% to 73.6%. In 2010 efficiency of machinery park was in private sector by 214, and in public sector by 509% higher than in 1995.