论文部分内容阅读
大棚蔬菜在生长发育期间,经常遇到大风降温、连阴天及雨雪天气。导致蔬菜生长不良,产量下降,品质降低,甚至造成冻害死苗。根据天气变化,及时采取对应措施是保证大棚蔬菜生产的关键。一、灾害性天气来临前的预防措施
Greenhouse vegetables in the growth and development, often encounter strong winds cool, even cloudy and rainy weather. Lead to poor growth of vegetables, yield decline, lower quality, and even freeze-killing dead seedlings. According to the weather changes, timely measures to take corresponding measures to ensure that the greenhouse vegetable production key. First, precautionary measures before the onset of disastrous weather