Today, fertilizers as one of the major inputs agricultural production, but has found wide application is based on expert opinion, despite the increased use of chemical fertilizers in agricultural production in the country, has been irregular and untimely. For this reason, some of the early 70, the subject of soil testing and efficient use of fertilizer as the only remedy for the proper usage of chemical fertilizers in agriculture has been planned work orders. All these issues and problems in the course of the promotion and adoption of soil testing are expected to hinder the development and widespread application of this innovation among farmers is. In this study, we summarize and analysis of the social and economic barriers facing soil test among grain growers in the province of Qom is done. Methods The study population consisted of all grain growers Survey and four plain areas Qom province, through random sampling stratified sample of 184 grains were used. Data were collected through interviews by pre-test questionnaire. According to the results, 26.1% of the subjects have rejected, soil innovation testing, and 3.8%, 37.5% and 32.6% of respondents percentage were groups in justify; MARGIN: 0in 0in 0pt" Keywords: innovation, adoption of innovation, soil testing, social barriers, economic barriers, grain growers.