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Variable application of fertilizers (especially nitrogen) is usually the first variable application implemented by farms. The benefits of these applications are instantaneous and allow the most efficient use of nitrogen to increase yield even under increasingly stringent conditions of the nitrate directive. Variable application of fertilizers is based on the need to approach different parts of the field differently, depending on the yield potential in its individual parts.


The variable application can also be used in the field of plant protection products. In this case, it is used for example for morpho-regulation (variable or selective application) or application of different kinds of fungicides within one hunt (selective application). The difficulty of these applications is higher, but all the more interesting is their benefit, both in saving their own products and in the revenue response. For example, a significant increase in yield can be achieved by lowering the dose of the morpho-regulator in the worst zones.

Variable sowing makes it possible to increase yields by varying the sowing density according to the individual production zones and their production possibilities. Practical experience suggests clearly that the optimal seed rate selection according to the yield of the production zone has a significant impact on yield and seed costs optimization.

Thanks to the combination of soil analyses with maps of relative yield potential it is possible to efficiently replenish the fertilizer in such a way that no zones with excess or lack of individual nutrients are created. It is the only system that seeks to balance individual fields in terms of nutrient supply while maximizing the investment in fertilizer.

Variable processing depth of active soil profile or erosion compacted subornomia it will reduce the costs of improving the water and air soil regime. Variable plowshare or cultivator depth can be determined on the basis of soil conductivity data with following processing of the application map for variable soil processing. Variable tillage also has a very positive effect on diesel consumption and plowshare wear.


For our customers we have prepared the Varistar portal, where all the data concerning the farm are stored. Users thus have constant access to mapping of variable applications made, including detailed information, application maps, relative yield potential maps, soil analysis and soil conductivity maps *, maps based on data from threshing machine rates * or regular Smart Scouting analysis, which in a few moments simply provides important information about crop development in individual production zones.

SmartScouting is used to verify the correctness of the application and to identify potentially hazardous places. This is the use of current satellite images.

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