10th International Scientific Conference on Engineering for Rural Development, Jelgava, Letonya, 26 - 27 Mayıs 2011, ss.70-75
In Lithuania environmentally friendly and energy saving agricultural technologies are integrated into manufacturing of agricultural production as the technologies giving the most innovative, economical, energetic and environmental benefits. The essence of these technologies is to limit the intensive mechanical and chemical impact on soil and vegetation, to provide the soil productivity renovation, protect the environment, rationally use the material, energetic and labour force resources, to meet strict environmental regulations, to produce wholesome food, and guarantee the economic effectiveness of manufacturing of agricultural produce. The working parts of the soil tillage machines influence the soil mechanically and change its properties. Deep loosening machines had been used to loosen deeper layers of the soil that have formed during longer periods of time. Their coulters cut the soil and make 35-40 cm depth slits but do not turn or mix it up. Air and water filtration in the soil improves because of this, therefore the plant roots develop better. On the other hand, humus and nutritious materials do not leach from the soil after heavy rain. The article presents deep tillage machines theoretical analysis, substantiation of the construction and operation technological parameters of deep tillage machinery and experimental results. The experimental scientific investigations were carried out in the period of 2009-2010 in different regions of Lithuania. The investigations basically aimed to determine positive impact of environmentally friendly tillage machinery on soil properties.