问题 问答题 简答题

分苗技术?

答案

参考答案:

分苗从播种床移植到分苗床称为分苗,分苗的目的扩大营养面积增加根群,培育壮苗。分苗主要用于育苗期长,耐移植的蔬菜,如茄果类、白菜类、芹菜等。不耐移植的蔬菜如瓜类等,适于籽苗期分苗,多数情况下,以点播为主,不进行分苗。

分苗前一天,苗床要浇透水,便于起苗,分苗多采用水稳苗法,即在分苗床内按8~10cm行距开沟,沟内浇水,紧接着按8~10cm株距将苗贴在沟边,随后覆土。或将小苗分到育苗钵内,摆放到畦内浇透水。

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       Jim Read is talking about his experiences(经历)as a twin: When we were small my mother dressed us
  1   the same clothes. That was bad enough and we didn't like it.  But when we went on our first camping
trip with the scouts(童子军), it was even    2  .We were only ten years old, and while   3   went into their
sleeping bags for the night, we were not happy to snuggle(紧偎)inside a double-sleeping bag my mother
made for us.
       At school our classmates    4   us Henfield One and Henfield Two, so people couldn't even see our
difference according to our initials(姓名的开头字母)because   5   of us were M.It was only when 1 went
to college and began  to  have my own friends that  I  started to feel my own freedom of identity(身份).       Before l went to college, during my last secondary school    6  , I got a job on a building site(建筑工地).  
My twin brother, Mike Henfield, didn't work. He was resting. One day I said to the foreman(工头),  "Can
I have a week off?" "Certainly," he said, 6'but you won't have the job when you    7    back. "I didn't want
to   8   the job.  So on Monday morning, Mike went down in my jeans, jacket and hat and he worked for
me for one week.  9   of them knew the difference.
       Now I am growing old and I feel very different   10    my twin brother. And he'Il tell you the same.
We have really worked towards that for forty years.
( )1. A. in      
( )2. A. bad      
( )3. A. all boys
( )4. A. called  
( )5. A. every    
( )6. A. holidays
( )7. A. get      
( )8. A. loose    
( )9. A. All      
( )10. A. in                         
B. for        
B. wors        
B. another boy
B. asked      
B. each        
B. holiday    
B. will get    
B. lost        
B. Nonf        
B. from        
C. on                
C. good              
C. all the other boys
C. cold              
C. both              
C. week              
C. got              
C. missing          
C. Each              
C. with              

D. with                  
D. best                  
D. all the boys          
D. knew                  
D. all                  
D. weekend              
D. are getting          
D. lose                  
D. Both                  
D. as                    
                                            
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