Growth characters, tree nutritional status, fruit set %, June drop %, yield and fruit quality of Valencia orange trees in response to spraying salicylic acid at 0.0 to 400 ppm either applied once at growth start or twice at growth start and again just after fruit setting were investigated during 2012 /2013 and 2013/ 2014 seasons.Spraying salicylic acid at 100 to 400 ppm once or twice considerably ...