Creating optimal nutrient conditions in soil and plants during the flower induction process of sweet lime (Citrus limettioides) under calcareous soil conditions to increase the yield

A study was conducted on 6-year-old sweet lime trees the Mexican (Citrus aurantifolia Swingle) rootstock in a randomized complete block design with ten treatments and three replications southern Fars to determine appropriate time of plant supplementary feeding increase flower production yield calcareous soils. In 2016 2017, 40 that had same planting growing conditions, were selected induction time. Ten times (22nd October, 1st, 11th, 20th November, December, January), four branches length 120 cm diameter half centimeter each tree geographical directions. At time, ringed at distance from tip branch, all leaves removed. emergence, number flowers counted. The results showed these early December. Based this experiment previous research field, September 7-year-old grafted treated foliar application nitrogen as urea [CO(NH2)2] zinc sulfate (ZnSO4) concentrations including 0, 3, 5 g∙L–1, alone by combination two separate pieces complete-block factorial nine using elements involved flowering. harvest fruit juice, TSS, TA, vitamin C, average weight, single measured. According results, concentration g∙L–1 led an weight (58 g) (68 kg) compared control.