Figures (3)  Tables (1)

    • Figure 1. 

      A-shaped celery hydroponic high-rack facility in Suqian Research Institute of Nanjing Agricultural University (Facility Horticulture Research Institute of Suqian).

    • Figure 2. 

      Celery seedlings cultivated in cell trays in Suqian Research Institute of Nanjing Agricultural University (Facility Horticulture Research Institute of Suqian).

    • Figure 3. 

      Mature harvest period of elevated racks of celery in Suqian Research Institute of Nanjing Agricultural University (Facility Horticulture Research Institute of Suqian).

    • Nutrient Amount (mg/L)
      Calcium nitrate 950
      Potassium nitrate 810
      Magnesium sulfate 500
      Ammonium dihydrogen phosphate 155
      Ethylenediaminetetraacetic acid iron sodium salt 15–25
      Boric acid 3
      Manganese sulfate 2
      Zinc sulfate 0.22
      Copper sulfate 0.05
      Sodium molybdate or ammonium molybdate 0.02

      Table 1. 

      Formula of the hydroponic nutrient solution used for celery.