The quick effect of foliar dressing and the use of fertilizers can meet the growing demand of citrus in time and is an indispensable measure for the production of high-quality citrus. Fertilizer type and spraying concentration of nitrogen fertilizer is best for urea, followed by ammonium sulfate. The superphosphate in the phosphate fertilizer, the plant ash in the potassium fertilizer, potassium sulfate, potassium nitrate, the rare earth in the micro fertilizer, magnesium sulfate, manganese sulfate, borax, etc. should be applied in an appropriate amount. Commonly used concentration: general urea is 0.3%~0.5%; superphosphate is 1%~2% (soaking for 2~3 days, use clear liquid after filtration), potassium sulfate is 0.5%, zinc sulfate, magnesium sulfate, manganese sulfate 0.05%~0.1%, borax, boric acid 0.05%~0.2%. Compound fertilizer leaching solution (with 1 kg compound fertilizer immersed in 4 kg of clean water, fully stirred for about half a day, taking solution clarification) spraying concentration of 0.5% to 1%. Spraying time and effect The young fruit period was sprayed with compound fertilizer leaching solution plus borax or potassium dihydrogen phosphate solution from the beginning of June to the middle of July, and was sprayed twice in about 15 days. During the physiological fruit drop period, 50 ppm gibberellic acid plus 0.2% potassium dihydrogen phosphate plus 0.5% urea mixture was sprayed twice to prevent the young fruit from separating and increase fruit setting rate. During fruit enlargement, 0.2% potassium dihydrogen phosphate plus 0.3% urea and 0.2% borax were sprayed once every one month to increase the citrus fruit weight. In the later period of fruit enlargement, spray 1-2 times of 1% synthetic detergent plus 0.2% potassium dihydrogen phosphate mixture to remove pericarp dirt, evenly color the skin and increase sugar content. Disclaimer: Some articles in this website have been transferred from the Internet. If you are involved in third party legal rights, please inform this website. phone Probiotics are a class of active microorganisms that are beneficial to the host by colonizing the human body and changing the composition of the flora in a certain part of the host. By regulating the immune function of the host mucosa and system or by regulating the balance of intestinal flora, promoting nutrient absorption and maintaining intestinal health, resulting in the production of single microorganisms or mixed microorganisms with well-defined composition that are beneficial to health. Probiotics,Probiotic Efficacy,Probiotic vitamins,Probiotic Health Supplements YT(Xi'an) Biochem Co., Ltd. , https://www.ytlinkherb.com