受冻前的预防措施　　1．树干涂白。用生石灰5公斤，硫磺粉0．5公斤，食盐0．1公斤，水15～20公斤，配制涂白剂。用涂白剂涂树干高50～110厘米。　　2．根蔸培土、灌水。受冻前提早用干细泥土、草皮泥等培高培宽树蔸，干旱低温时及时灌水。　　3．树冠、树盘覆盖。对于幼龄果 Precautionary measures before freezing Trunk painted white. With lime 5 kg, sulfur powder 0.5 kg, salt 0.1 kg, water 15 to 20 kg, preparation of white agent. Coated with white paint trunk height 50 ~ 110 cm. 2. Root 蔸 earth, irrigation. Pre-freeze early with dry fine soil, turf and other high Pei Pu cultivation broad tree shrews, timely irrigation at low temperatures drought. 3. Canopy, tree cover. For young fruit