In recent years, Huimin County fertilizer and pesticide use in crop growth process is more and more big, some farmers even put the amount of chemical fertilizer in whole growth period were getting sowing disposable, commonly known as "a cannon". However, excessive use of fertilizer, especially nitrogen amount is too large, soil nitrate nitrogen due to excessive enrichment will directly lead to a series of problems of soil secondary salinization, nutrient supply imbalance, the potential threat to the environment, but also the influence on the quality of cultivated land, soil productivity, the quality of agricultural products and increase the income of farmers brought very bad.

To improve this predatory operation, the land began in 2006, Huimin County Bureau of agriculture to carry out as the main content to formula fertilization by soil testing and standard farmland construction "fertile soil engineering", in order to increase organic fertilizer as the focus, combined with "increasing, lift, change, prevention" measures, carried out field sampling, laboratory, propaganda, training, formula fertilizer promoted a series of work, and the establishment of the "test - - production - for - Shi" all in one service mechanism. At the same time, around the soil testing formula, fertilizer, fertilizer, fertilizer, etc, to carry out a wide range of formula fertilization by soil testing technology popularization activities, organized technical personnel to farmers face-to-face training, in-depth field to carry out on-site technical guidance, to help farmers solve technical problems of production, guide farmer to scientific and rational application of fertilizer. 6 years of testing samples of 6800, more than 48200 times; complete grain, cotton, fruit, vegetables and other crops of formula fertilization by soil testing technology 1500000 acres, recommend the formulation of special fertilizer for crops 6, spreading fertilizer 27000 tons, the application area of 800000 acres. Compared with the conventional fertilization, the reduction of chemical fertilizer (pure) 36132 tons, about 13820000 yuan for farmers to save fertilizer, grain, cotton, fruit vegetables such as the cumulative increase of 43200 tons, an increase of 81020000 yuan.

It is understood, formula fertilization by soil testing technology is the means through soil testing, timely grasp of the soil fertility, fertilizer and agricultural production according to the characteristics of different crop requirements, implementation of organic and chemical fertilizer, nitrogen and phosphorus and potassium fertilizer, trace elements fertilizer in proper proportion of balanced fertilization, improve the utilization rate of fertilizer nutrient, promote a scientific fertilization method of agricultural production yield, high quality and high efficiency. "Since the implementation of the fertile soil engineering" Huimin County Bureau of agriculture, making the program of balanced fertilization soil testing, and technical personnel for the farmers to carry out technical training and guidance, answer to meet farmers' Fertilization in question directly, according to the planting of different crops and soil types of soil samples collected for analysis -- -- -- formula, formula fertilizer guidance farmers to purchase and use of high quality road (compound fertilizer, compound fertilizer, organic fertilizer and so on), can effectively improve the situation of blind excessive fertilization, improve the utilization rate of fertilizer, this income effect is significant.