(一)喷水洗树。在冻后初晴要用清水喷洗树冠,以降慢树体的解冻速度,减缓叶片水分的蒸发速度,达到降低和尽量减轻受冻之目的。(二)排渍施肥。在春后要对受冻柑桔园进行一次清沟排渍工作,春后雨水增多,要保证柑桔园内无渍水。施肥要结合松土同步进行,时间安排在二月下旬至三月上中旬,松土深度10—15厘米,实施时注意靠主杆宜浅,外围稍深。结合松上每株宜施 (A) water spray tree. In the early clear after the cold spray with water to spray canopy to slow down the thawing speed of the body, slow down the evaporation rate of leaf moisture, to reduce and minimize the purpose of freezing. (B) row of stains fertilization. In the spring after the frozen citrus orchard to conduct a gully row of stains work, rain increased after the spring, to ensure no citrus garden waterlogging. Fertilization should be carried out simultaneously with loose soil, the timing of the mid-February from late February to mid-March, soil depth of 10-15 cm, the implementation of the main rod should pay attention should be shallow, the periphery slightly darker. Pine with each plant should be applied