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科学家在一世纪前就已发明无土栽培Soillessgardening(现亦名水液栽培 Hydroponics)的方法,就是不在土壤里栽培植物,而用含有植物所需各种营养成分的水液栽培植物。农业化学鼻祖,德国著名化学家黎比希 Justus Liebig(1808—1873)就曾应用这种方法来研究植物对於化学养料需要的原理。这种方法在十九世纪并没有多大发展,直到一九二九年美国 W.F.Gericke 博士为企图使农作物增产,才把这种方法继续研究,获得了
One centuries ago scientists had invented the method of soilless planting (now also called Hydroponics) by not cultivating the plants in the soil and cultivating the plants with an aqueous solution containing various nutrients required by the plants. The founder of agrochemicals, the famous German chemist Justus Liebig (1808-1873) had used this method to study the principle of plants for chemical nutrients needs. This method did not grow much in the nineteenth century until Dr. W. F. Gericke, the United States of America, in 1929, continued to study this method in an attempt to increase crop yields