The method is used commercially, especially for glasshouse crops, and also in experimental work in determining the effects of mineral deficiencies.
此法经常在商业中使用，尤其是针对一些温室作物，或者用于验证矿质元素的缺乏对植物产生的影响的实验。
BrightFarms, for example, together with a firm called Better Food Solutions, began constructing a large single-storey glasshouse on the roof of a big supermarket in October.
