论文部分内容阅读
洋葱为百合科葱属2～3年生草本植物,在我国广大地区均有种植。华北、东北地区冬季寒冷,露地栽培的洋葱秧苗在原地保护的情况下仍不能正常越冬。所以,华北、东北地区常采秋季播种,冬季假植越冬,翌年春季定植,夏季收获鳞茎的栽培方式。如何使洋葱秧苗正常越冬,是关系翌年夺得高产的关键。现将洋葱假植越冬技术介绍如下:洋葱秧苗的假植应在每年的11月中、
Onion is a liliaceae Allium 2 or 3 year-old herbaceous plants, are grown in vast areas in our country. In northern China and northeast China, the winter cold and open-field onion seedlings could not survive the winter in situ. Therefore, North China and Northeast China are often seeding autumn seeding winter winter planting, planting the following spring, summer harvesting bulb cultivation methods. How to make the onion seedlings winter, is the key to winning the following year. Now the technology of onion fake winter is introduced as follows: Fake seedlings of onion in November each year,