In order to promote soil testing Fertilization, improve service efficiency, bureau of agriculture of my county in 2014 to buy five sets of "fertilization little" touch screen, mounted to the township of Fuyang, the ancient city, welfare, north of the city's agricultural technology consulting services. The touch screen system project of formula fertilization by soil testing my county of field investigation, soil sampling test, field test and other information, I established a county land basic information database, crop production capacity information database and the index system for fertilization, crop fertilization system and the introduction of cultivated land fertility evaluation technology parameters and fertilization decision-making, has the information content the large, easy operation, high intelligence, the advantages of strong and recommended fertilization scheme is scientific and reasonable. The broad masses of peasants can operate, soil nutrient figure out their field fertilization and get Feng missing rice, corn on the field crops such as card.