夏季一些瓜果类蔬菜常常由于一些客观条件的影响,产生裂果和日灼现象(因受太阳直接照射产生的烧损)。据调查,一般年份发生率通常在40%左右,严重时可达80%以上。一旦发生裂果和日烧,不仅损伤果实的外观,而且还会降低品质,有损商品的经济价值。那么,怎样才能防止瓜果类蔬菜出现裂果及日灼现象 Some fruits and vegetables in the summer are often due to some objective conditions, resulting in cracking and sunburn phenomenon (due to direct solar radiation burning). According to the survey, the incidence of the general year is usually about 40%, up to 80% in severe cases. In the event of fissures and burns, not only the appearance of the fruit is damaged, but also the quality is reduced and the economic value of the commodity is compromised. So, how to prevent fruits and vegetables appear cracking fruit and sunburn phenomenon