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`Chandler' strawberry plants were grown in a nutrient flow hydroponic systems with six solution N treatments (35, 70, 140, 210, 280, 350 ppm). Total N was determined in leaf blade and petiole samples using Kjeldahl procedure and by LECO CHN analyzer. Nitrate-N was extracted with KCl and analyzed using a LACHAT ion analyzer. Correlations for total N in leaf blades with hydroponic N levels were r 7  = 0.79 for Kjeldahl, r 2  = 0.25 for LECO, and r 2  = 0.60 for LACHAT while petiole samples were r *  = 0.57 for Kjeldahl, r 2  = 0.55 for LECO and r 2  = 0.41 for LACHAT. Vegetative characteristics of the plants were affected with the 210 ppm treatment producing both the most crowns and runners and 350 ppm the least.

056 EFFECT OF HYDROPONIC SOLUTION NITROGEN CONCENTRATION ON `CHANDLER STRAWBERRIES