农用稀土叶面喷施应注意的问题张忠慧，张树民（黑龙江省北安农业学校北安１４６０９４）农作物施用稀土的方法有浸种、拌种和叶面喷施等，生产上一般以叶面喷施为主。在进行叶面喷施时，应注意以下几点。ａ．施用剂量农用稀土进行叶面喷施时，溶液浓度要适宜，若过多会造... Agricultural rare earth foliar spraying should pay attention to the problem Zhang Zhonghui, Zhang Shumin (Heilongjiang Bei’an Agricultural School Bei’an 146094) rare earth crop application of seed soaking, seed dressing and foliar spray, the production is generally the foliar spray as the Lord. In the foliar spray, should pay attention to the following points. a. Application of fertilizer for agricultural use foliar spray, the solution concentration to be appropriate, if too much will be made ...