北镇市粮食作物耕地土壤养分状况分析与施肥建议
Soil Nutrient Analysis and Fertilizing Recommendations for Grain Crops in Beizhen City
在实证上以北镇市百货大楼广宁分店为样本，进行计算。
Demonstration research makes the Guangning branch office of Beizhen department store as a stylebook , and calculations are made .
北镇市