## 1 Introduction  
The farmlands size has tendency to increase, machinery designed more productive, at the same time more massive, thus increasing the negative soil compaction [1]. As the price of machinery rises, higher yields are also needed, it leads to intensiveness crop care. The tramlines for crop care are formed by seeding machines, into this line's seeds are not sown, the fertilization and spraying techniques are repeatedly driven with products whose demand increases for higher yields. The repetitive driving of wheeled machines during growing season are compressed the soil so much that it becomes destroyed completely, overloaded wheels formed the sinks. The soil compaction is the one of the main factors of soil degradation, food safety and productivity losses in agriculture system. During agricultural works with such machines the soil has been worsened not only by compaction of the weight, but also by inappropriate management of soil tillage in unfavorable moisture conditions in medium and low temperature regions like North-Western Europe [2]. The degree of soil damaging depends on several factors and their interaction. Soil compaction as soil damaging due to vehicular traffic in too wet conditions induces soil structure deterioration and soil deformation [3]. The degree of soil compaction during field traffic depends largely on the soil water content [4]. It changes soil properties: increasing bulk density, soil penetration resistance and decreasing porosity, rainwater infiltration and aeration [5]. A lot of studies covering a range of different soil types have reported significant compaction effects on structural conditions to deep subsoil layers [6; 7; 8; 9]. According to findings, the wheel load and moisture has a dominating compaction effect in deep and topsoil layers [10; 11; 12; 13; 14]. The effect of repeated tractor wheeling on stress/strain and physical properties is higher than one-time wheeling [15]. The studies of [PERSON] et al. (1992) has quantified the effect of repeated short-term stress application (e.g., passage of several wheels after each other) and found that the vertical deformation of the plough layer soil was linearly related to the logarithm of the number of wheel passes [16]. The same compaction by numerous wheels of tractor with attached spraying or fertilizing equipment wheels arises in tramlines. The regular crop maintenance with fertilizers and sprayers machinery is required according to it crop grow stage, but to the soil moisture conditions, which may be very vulnerable and not suitable, is not considered. In the opinion of this research' authors, the compaction of subsoil influenced the water infiltration mainly, the compaction of topsoil is more actual of its exclusive use of crop growth, yield and all agriculture systems. Subsoil all over loosening could be carried out periodically every few years, its more commonly applied at the ends of the fields, where agriculture technique turns around. The passage of crop care wheeled machines in tramlines create various objective problems, such as: soil compression and hardening [17; 18]; soil erosion and degradation [19]; crop yield losses [20]. The physical properties of soil in tramlines are particularly damaged due to transport mode of tractor tires air pressure, ballast, narrow tires of spreader and axle overload [21; 22]. This long-term soil compaction in tramlines through growth season increases negative effect--there are no plants and their roots--what interacts with the extinction of soil biota and loses nutrients [23; 24]. The tramlines as hard soil barriers impede tillage operations--regime of implements is uneven; traction force is unstable and increases too high overload especially at \"no-till\" agriculture system. Moreover, the clumps of such dense soil are formed during the following soil tillage operations, they are carried to all field where the crop will grow next year, and when they dry part of them is impossible to smash and properly prepare seedbed.