我国在1983年对商品的包装进行了一次典型的调查,从调查结果得知,每年因包装不善造成的经济损失高达100亿元。固体化学肥料是大宗商品之一,年产量约7000多万吨,因包装不善造成的损失高达4％,损失金额达1.6亿元。据笔者调查硝酸铵化肥的损失率平均为7.825％,个别的甚至高达18.27％。尿素产品在途中的损失平均 In 1983, China conducted a typical survey on the packaging of commodities. According to the survey results, the economic loss caused by improper packaging was as high as 10 billion yuan each year. Solid chemical fertilizers are one of the bulk commodities with an annual output of about 70 million tons, up to 4% loss due to poor packaging and a loss of 160 million yuan. According to the author, the loss rate of ammonium nitrate fertilizer is 7.825% on average, even up to 18.27% in some cases. The average loss of urea products on the way