无土栽培又称水培,是本世纪农业上最重大的改革之一,它不以土壤为基质,而直接采用营养液来满足植物的生长需要。这一方法最初是在1859—1865年间由德国科学家沙奇思和克诺普创造的.至今仍被应用于植物生理学和植物营养学实验。然而,试图把这种方法用于大规 Soilless culture, also known as hydroponics, is one of the most important agricultural reforms in this century. It does not use soil as matrix but uses nutrient solution directly to meet the growth needs of plants. This method was originally created by German scientists Shakisz and Knop between 1859 and 1865 and is still used in plant physiology and plant nutrition experiments to date. However, trying to use this method for large format