气耕法种菜无虫害无污染气耕法不同于土耕法和水耕法，它不需要土壤，也不需要很多水。植物“种”在生长箱上，只有根部需要一些水分。而所需水分是由一个电脑控制的，且可以再循环利用。通常生长３次蔬菜才换一次水。植物的根悬在生长箱内，将养料用气体形式喷射在根上，... Gas-tillage plantings Insect-free, non-polluting gas-tillage differs from tillage and hydroponics in that it does not require soil and does not require much water. Plant “species” in the growth box, only the root needs some water. The required moisture is controlled by a computer and can be recycled. Vegetables are usually grown three times before changing the water. Plant roots hanging in the growth tank, the nutrients in the form of gas sprayed on the roots, ...