一、大白菜大白菜是城乡人民冬春食用的主要蔬菜品种之一。它的贮存期一般为4—5个月。在此期间由于失水和脱帮造成的损失约占40～60％。近年来,一些蔬菜部门改土法库存为筐存及2·4—D蘸根处理,并辅以机械降温处理,使损耗降低25％左右。某些地方,利用10—15PPm的2·4—D蘸根处理,收效也很明显。他们的做法是:将刚收获的大白菜,放在阴凉通风处,把表面水晾干,然后将其根部在10 First, the cabbage Chinese cabbage is one of the main vegetable varieties consumed by urban and rural people in winter and spring. Its storage period is generally 4-5 months. In the meantime, the loss due to water loss and stripping accounted for about 40 ~ 60%. In recent years, a number of vegetable sector inventory of soil improvement method for the basket and 2.4-D dipping treatment, supplemented by mechanical cooling treatment, the loss reduced by about 25%. In some places, the use of 10-15PPm of 2.4-D dip root treatment, the effect is also obvious. Their approach is: the newly harvested cabbage, placed in a cool, ventilated place, the surface of the water to dry, and then its roots at 10