Hydroponic Vegetable Greenhouse

Have you ever heard of growing celery hydroponically in a greenhouse? It is now common to grow celery hydroponically in greenhouses. Generally, there is a metal bracket as a support, and the hydroponic tube is laid flat on the bracket, and there are planting holes on the hydroponic tube. Place the planting cup and planting sponge and celery into the hydroponic tube. This hydroponics method is generally equipped with an integrated water and fertilizer fertilization system to ensure automated management of large-scale agricultural planting.