柑桔保花保果是夺取高产稳产的主要措施。常用方法有:一、叶面喷肥柑桔开花期采取叶面喷肥,可以补充根部施肥的不足,改善树体代谢,促进营养物质的运转,起到保花壮果的作用。可在谢花末期和生理落果期,各喷一次百分之零点五尿素加百分之零点二磷酸二氢钾混合液,视情况结合喷百分之零点二的硼、锌、镁等微量元素。如果树势纤弱,花量特多,则应进行适度的修剪或疏花。疏去畸形花和过多的无叶花,短截或疏删生长过弱枝或过弱的春梢。二、喷洒激素“九二○”等生长调节剂,可改变树体内 Citrus Paul flower and fruit protection is the main measure to seize high and stable yield. Common methods are: First, the foliar spray Citrus flowering to take foliar spray, can supplement the lack of root fertilization, improve the metabolism of trees, and promote the operation of nutrients, play a role in Paul flowers strong. At the end of the Xiehua and physiological deciduous period, each spray of 0.5 percent urea plus 0.2 percent potassium dihydrogen phosphate mixture, optionally sprayed with 0.2 percent sprayed boron, zinc, magnesium Other trace elements. If the tree is fragile, spend much, you should be moderate pruning or thinning. To sparse deformity flowers and excessive leafless flowers, short cut or sparse growth over weak branches or too weak spring shoots. Second, spray hormones “nine two ○” and other growth regulators, can change the tree