花生是正定县最重要的油料作物,常年种植面积达7.2万亩,占全县耕地面积的16%。随着人民生活水平的不断提高,花生油和花生深加工产品的消费量逐年增加。但由于土地退化和土壤养分供应不足等原因,极大地限制了当地花生产量和品质的提高。为此,2009年开始正定县利用测土配方施肥 Peanut is the most important oil crop in Zhengding County. Its perennial planting area is 72,000 mu, accounting for 16% of the total cultivated area of ​​the county. With the continuous improvement of people’s living standards, the consumption of peanut oil and peanut deep-processed products has been increasing year by year. However, due to land degradation and insufficient supply of soil nutrients, the yield and quality of local peanuts have been greatly limited. To this end, starting in 2009, Zhengding County, using soil testing and fertilizer