Melon plants were cultured in hydroponics using 50% ‘Enshi’ nutrient solution with an electrical conductivity (EC) of 1.32 dS/mand pH of 6.93 (Table 1).
In the present study we have reduced the amount of KNO3 keeping other nutrients constant to pro-duce melon fruits with low K content through hydroponic culture.
Although the pH of the nutrient solutions used was not varied, the EC was decreased gradually with the gradual decrease of KNO3.
The EC of 50% nutrient solution with 1/2, 1/4, 1/8, 1/16, and 0 levels of KNO3 were 1.08, 0.97, 0.91, 0.88, and 0.85 dS/m, respectively.
The EC and pH of tap water used for this experiment were 0.22 dS/mand 8.18, respectively.
Melon plants were cultured in hydroponics using 50% ‘Enshi’ nutrient solution with an electrical conductivity (EC) of 1.32 dS/mand pH of 6.93 (Table 1). In the present study we have reduced the amount of KNO3 keeping other nutrients constant to pro-duce melon fruits with low K content through hydroponic culture.Although the pH of the nutrient solutions used was not varied, the EC was decreased gradually with the gradual decrease of KNO3. The EC of 50% nutrient solution with 1/2, 1/4, 1/8, 1/16, and 0 levels of KNO3 were 1.08, 0.97, 0.91, 0.88, and 0.85 dS/m, respectively. The EC and pH of tap water used for this experiment were 0.22 dS/mand 8.18, respectively.
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