To increase grain output, increase economic benefit of farmer, Changbai County Agricultural Station do a good job of soil test, the determination of corn, soybean and soil nutrient content in, to provide scientific and reasonable fertilization recommendations for farmers, cost savings to improve fertilizer utilization rate, promote efficiency of grain production, provide a powerful guarantee.

This year, Changbai County Agricultural Station organization and technical backbone of 6 people went to the township village households, the formula fertilization by soil testing card recording plots of land, crop varieties, nitrogen phosphorus potassium and trace element free content, demand for the crop and fertilizer formula and other technical indicators one by one to explain in detail. The campaign issued a total of 600 copies of application card, but also for the vast number of farmers to provide technical guidance chart of formula fertilization by soil testing, technology application manual for more than 800 copies, solves many problems plagued the fertilization.