Abstract: Check formula fertilizer accuracy, improve fertilizer, yield increasing effect of formula fertilization by contrast, reduce large area application of risk, improvement of formula fertilization by soil testing parameters, directive farmer economy, environmental protection, scientific fertilization and land to eat meal, provide the basis for field management. 2012 was based on 25% （ 15-10-0 ） and dressing type 25% （18-7-0） fertilizer formula checking, screened in Pengyang County Red Ru River District Facilities Agriculture in semi arid loess region grows ground film corn suitable formula fertilizer type and application rate, nitrogen amount is equal to 45%, and base fertilizer, topdressing 55%.