The new technologies of precision agriculture involve the use of agricultural enterprises not only modern equipment, performing a differential application of seed, fertilizer and yield mapping, and software products and services that allow you to analyze the collected data and generate jobs for the field equipment. Existing services and software usually perform part of agricultural tasks or they work in local mode. Online mapping service PreAgri enables real-time monitoring of equipment, generate statistical information in real time about the actual consumption of seeds, fertilizers and volume of harvested crop.