1998年3月底，一场突如其来的春雪晚霜使地处皖南山区的东至茶树良种场内20余个早生、特早生品种新生芽叶全部受冻，经济损失惨重。为将损失降到最低限度，场生产科积极组织抗冻减灾工作，对受灾茶园采取了多项农业补救措施，取得了一定的效果。现将各农业措施应用效果的对比试 By the end of March 1998, a sudden spring frost night frost made more than 20 early-growing early tea-growing areas in the eastern part of the southern mountainous area of ​​Anhui Province. The new-born new-born bud leaves were all frozen and their economic losses were heavy. In order to minimize the losses, the field production department actively organized the anti-freezing and disaster reduction work and took a number of agricultural remedial measures in the affected tea plantation and achieved certain results. Now the application of various agricultural measures effect comparison test