Effect of Nutrient Solution Concentration on the Growth and Mineral Uptake of Various Wrap-up Vegetables and Herbs Grown with Mixed Planting in DFT Hydroponics
2007
Seo, T.C. (Protected Horticulture Experiment Station, NHRI, RDA, Busan, Republic of Korea) | Rho, M.Y. (Protected Horticulture Experiment Station, NHRI, RDA, Busan, Republic of Korea) | Gang, N.J. (Protected Horticulture Experiment Station, NHRI, RDA, Busan, Republic of Korea) | Lee, S.C. (Protected Horticulture Experiment Station, NHRI, RDA, Busan, Republic of Korea) | Choi, Y.H. (Protected Horticulture Experiment Station, NHRI, RDA, Busan, Republic of Korea) | Yun, H.K. (Rural Development Administration, Suwon, Republic of Korea)
The twenty seven wrap-up vegetables (13 Compositae, 14 Brassicaceae) and seven herbs (6 Labiatae, 1 Umbelliferae) were cultivated with a deep flow technique (DFT) hydroponic beds and treated with 3 levels of nutrient solution concentrations of 1.2, 2.4, and 3.6 dSㆍm-¹ in summer and autumn season. The pH and electrical conductivity (EC) change of nutrient solution, fresh weight, and mineral contents of plants were investigated. The pH was maintained lower in high electrical conductivity (EC) treatment and in summer than autumn.
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