匈牙利专家研制出一种栽培蔬菜的新方法。在长1.5米、直径为0.3米的金属管或塑料管上钻许多孔,管内填满松软肥沃的泥土,并在泥土内埋入自动给水装置,蔬菜就种在孔内。这种新栽培法产量高,节水节土,每株仅需5立方厘米土, Hungarian experts have developed a new method of growing vegetables. A number of holes were drilled in a metal or plastic tube 1.5 m long and 0.3 m in diameter. The tube was filled with soft and fertile soil and embedded in the soil with an automatic watering device where the vegetables were planted. This new cultivation method of high yield, water-saving soil, each plant only 5 cubic centimeters of soil,