航空航天部华北地区航天技术交流站北京航远综合技术开发公司,在研究国内外多种配方的基础上,最近开发了一种“多元素植物营养液”,已在京郊和中南、华东等地试用,已经收到良好的效果。这种营养液按精确配比含富量元素氮、磷、钾、钙、镁、铁、硫及微量元 Aerospace Department of North China Space Technology Exchange Station Beijing Hang Yuan comprehensive technology development company, based on the study of a variety of formulations at home and abroad, based on the recent development of a “multi-element plant nutrient solution” has been in the suburbs of Beijing and Central South, East China, etc. Try it out and have received good results. This nutrient solution contains precise amount of elements nitrogen, phosphorus, potassium, calcium, magnesium, iron, sulfur and trace elements