论文部分内容阅读
芦笋是多年生宿根植物，当早春地温上升到10℃时嫩茎便开始萌动并陆续出土，是石河子地区自然条件下最早上市的蔬菜，有较好的经济和社会效益。受地理位置影响，早春芦笋生长常常受到低温的危害，使产品的质量和产量大大降低，造成较大损失。因此，弄清低温危害发生规律，积极?
Asparagus is a perennial perennial plant. When the temperature in early spring rose to 10 ℃, the tender stem began to germinate and gradually unearthed. It is the earliest listed vegetable under natural conditions in Shihezi region and has good economic and social benefits. Affected by its geographical location, early spring asparagus growth is often endangered by low temperature, so that product quality and yield greatly reduced, resulting in greater losses. Therefore, to clarify the law of occurrence of low temperature hazards, positive?