一、柑桔树冻害分级标准亟需统一　　　　冻害的分级,对于了解受冻情况,指导柑桔树受冻后的恢复工作,有很大的作用。现在,保险公司把柑桔树冻害列入保险项目,其中冻害级别是索赔的主要依据。但在实践中,冻害的分级标准极不统一。一些涉及到柑桔冻害分级的书或资料都有各自的分? First, citrus tree frost damage grading standards urgently need a unified classification of frostbite, for understanding the situation of freezing, citrus trees to guide the recovery after freezing, a great role. Now, the insurance company citrus tree frost damage included in the insurance program, of which frost damage level is the main basis for claims. However, in practice, frost damage classification standards are very uniform. Some related to citrus frost damage classification of books or information has its own points?