应用土壤测试指导科学施肥,在技术发达国家已有多年历史,以后又将电子计算机应用于这一工作,并且已取得成效。目前我 国已有不少单位从事这方面的研究。我们在1981年考察学习了西德的经验后,于1983年布置了首批试验。现将小麦磷肥经济施用量 Applying soil testing to guide scientific fertilization has been in the advanced technology-developed countries for many years and has been applied to this work in the future and has achieved fruitful results. At present, many units in our country are engaged in this aspect of research. After examining the experience of West Germany in 1981, we arranged the first experiments in 1983. Now wheat phosphorus fertilizer economic application