柑桔防冻技术四改１改稻草包树干为泥草包树干用稻草包树干，一旦稻草受雨淋往往结冰，导致内部温度反而低于外部，加重冻害。改为泥草包树干，可使内部温度比外部高２～３℃。方法是：将稻草与稀泥揉合成条状，从地面起沿树干向上绕至分枝处，第１层厚度约２～３ｃｍ，宜... Citrus antifreeze technology four changes 1 to change the straw bales trunks trunk bags straw trunks, once the straw tends to freeze by the rain, causing the internal temperature but lower than the outside, aggravating frost damage. Mud bag instead of trunk, the internal temperature can be higher than the external 2 ~ 3 ℃. The method is: rub straw and thin mud into a strip, from the ground along the trunk up to the branch, the first layer thickness of about 2 ~ 3cm, should ...