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Effect of Nutrient Solution and Nitrogen Concentration in Hydroponics by the Root Spray System on the Growth of 'Kyoho' Grapes
Shokubutsu Kojo Gakkaishi
We examined the influence of nutrient solution and N concentration in hydroponics by spraying the root growth of 1-year-old trees of 'Kyoho' grapes. The results demonstrated that the growth and quantity of the new root were the highest at EC 0.5 mS/cm nutrient solution. Influence of N concentration (the same rate of N types; NO3-N : NH4-N =2:1) on the quantity of the new root was not marked, however, a higher concentration, 20ppm, slightly increased the quality compared to 10ppm. " Twice-a-yeardoi:10.2525/jshita.10.194 fatcat:yzhtwr6fvvfcvlagcd3us5bxbu