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The aim of the work is to present relation between the structure of farm organization, determined according to the economic system and the system of integrated production in a large-scale farm 2004–2011. The material for investigation originated from farm accounting data and from the charts of fields history. It was worked out with the use of vertical and horizontal analysis, as well as synthetic analysis 1st degree by B. Kopeć. Many- -year-lasting analysis proved that the farm maintained animal breeding – plant production, namely rape – bee, highly intensive system, which is friendly to the environment. The rules of integrated production have been followed by that farm for more than 10 years and they involve: combination of pesticide treatments with mineral fertilization, appropriate crop rotation, which improves soil richness, application of liming and organic fertilization on the area of more than 25% of arable land. The economic system allows to apply integrated production.
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A commercial GLOBALG.A.P. standard and an integrated production system are the most popular methods to ensure the quality and safety of fruits. The implementation thereof in fruit farms is a consequence of food law requirements and expectations of consumers who want to consume products that are of high quality and, in the first place, safe for health. The implementation of those quality assurance (QA) methods is a prerequisite for selling products to large international retail chains at home and abroad. Motives for and barriers to application of QA methods were identified based on a survey of fruit growers, including those who implemented a GLOBALG.A.P. standard, and on interviews with experts. It was found that the major motives for implementing QA systems in orchard farms in Poland were the following: increased sale opportunities, entering new markets with products, and meeting customer requirements. Amidst the major barriers were the lack of economic incentives and the lack of knowledge about the methods and systems of quality assurance.
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Results of our experiments are interpreted according to fertilizing system developed by long-term experiments and investigations. The potassium fertilization and favourable N/K ratio can increase the frost tolerance of generative organs of fruit trees to some extent. The effect of suitable growing site can surpass the effect of fertilizers. Frequently, the increase of phosphorus and potassium levels in the soil and leaves are relatively small comparing to amount of fertilizers, because of the strong fixation in the fertilized soil layer and – in other cases – leaching from root zone. Main soil characters should be taken into consideration to determine the favourable phosphorus, potassium levels in the soil. The excess of lime can be compensated by potassium fertilization to some extent, but on acid soils the NPK fertilization may be more effective – or effective at all – following lime or dolomite application.
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