The lands that turned out to be unclaimed for agrarian production pass into the category of waste, due to the spread of weeds on them. At the first stage, such lands pass through a wild grass stage with typical weed-field vegetation, where annual dicotyledons predominate, subsequently these plants are supplanted by perennial grasses, overgrown with shrubs and tree growth, and waste lands become uncultivated deposits. The presence of vegetation cover with a height of 1-1.7 m not only complicates the conduct of mechanical tillage, but also requires large amounts of energy. On lands left out of agricultural use, there is a noticeable change in soil properties. All agrochemical parameters of deposits have a lower value than arable land. On abandoned fields, along with a decrease in nutrients in the soil, there is a change in water and air conditions, which complicates the process of tilling. Entering abandoned fields in crop rotation for the production of agricultural products is an important economic problem of the day. The aim of the work is to develop the technology of the main tillage and dump plow for its implementation, ensuring the incorporation of tall plants in abandoned fields at low energy costs and high agrotechnical indicators.
The classification of technical means for strip technology of soil treatment according to the Strip-till system is proposed. They are given the signs to merge them in groups according to the acquisition units, the frame design, technological performance, according to the type of tillage, the tillage method, as well as according to the technological purposes and design of the working body. Classification features are considered on the basis of the design of the domestic production ripper “AGRIVATOR”.
For the production of tiller crops sown using wide-row technology, strip-till or Strip-till technology is becoming more common. When developing tillage working bodies for this technology, it is necessary to specify the size parameters of the root system of the main crops: sunflower, corn and soy, cultivated in the arid conditions of the steppe zone of the South-East of Russia. As a result of the research, measurements of the parameters of the root system of tiller crops in the conditions of development in 2019 in the Left-Bank microzone of the Saratov region were carried out.
The article presents material on the scientific and practical justification for the use of strip tillage in the steppe Volga region. A comparative analysis of various types of soil cultivation used in the region was carried out: plowing, plow tillage, minimum tillage, zero tillage (No-till), strip tillage (Strip-till), and strip ridge tillage (ridge-till).
On the basis of the rational formula of academician V.P. Goryachkin, the definition of the amount of work or energy spent on processing a certain area of the field at a given depth is given. As a result of theoretical studies of field processing by the traditional method, the graphic dependences of the work spent in continuous processing of one hectare of arable land on the depth of soil cultivation are established. The theoretical results strip tillage installed the graphics according to the work required in bandpass processing of one hectare of arable land, of the bandwidth at the maximum depth. Possible options for reducing the energy intensity of tillage in each of the considered methods of tillage are proposed.
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