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最近,日本一所大学研究出一种蔬菜气栽法。在气栽系统中,植物悬挂在空气中,而不必用土壤作为支撑物。植物所需的营养液,由一个精细的喷头喷向植物的根
Recently, a Japanese university developed a method of planting vegetables. In airborne systems, plants are suspended in the air without having to use soil as a support. The nutrient solution needed for the plant is sprayed by a fine spray to the root of the plant