英国达雷卡德设施农业工程公司发明了一种工厂栽培果树的新方法,现已获得了成功。这种方法不把果树栽在土壤中,而是把枝条插在树枝形的橡胶管子上,合成营养液通过橡胶管输送到各个枝 The British company Drakecard Facilities Agricultural Engineering Company has invented a new method of growing fruit trees in factories and has now succeeded. Instead of planting the fruit trees in the soil, this method inserts the branches into the dendritic rubber tube and the synthetic nutrient solution is delivered to each branch through the rubber tube