Giáo trình MD03 chăm sóc nghề trồng dưa hấu dưa bở





























2







doanh 
3



3


 

giáo trình này            
 
và
. 


Bài 2: Bón phân


 


 


 
h - 

            

, các nhà giáo 



trong qu



ti 



1 
2




4



TRANG

3


4
 
7
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8

9

9

9

10
.
15

20

21

22

22

22
 .
22
 thúc  .
23

 .
31
 .
31
6 
39
7 phân .
40

41

42

43

43


5


TRANG
 
43
 
43
 
43
 
51


53

54
Bài 4:   
55

55
1. 
55
2 
57

64

66
Bài 5:   
67

67
 
67
 
68
 
70

76

78

Bài 6
79

79
1. 
79
2.   
79
3.  .
80


6


TRANG
 
81

83

84

86
Bài 7
87

87
 
87

 
91
3. Ch 
94
  
95
 
101

103

104
 
105

105

105

105

106
 
107
 
114
 và 
115

116

7




M
KP: kinh phí










: 360 m
2

: 500 m
2

: 1.000 m
2

: 1.296 m
2

1 ha: 10.000 m
2



8






: 

 và t 
 và 
              
 

9

và 
-01

- Trình bày được cách xác định độ ẩm đất, thời điểm tưới và tiêu nước
cho cây dưa;
- Thực hiện được các công việc tưới và tiêu nước phù hợp với nhu cầu nước
của cây dưa.





-80

-

 
(5-10 

1.2. 
1.2.1. 



1.2.2. : 
 

      
-


       
3.1.1)
      1-90%,

       



Hình 3.1.1. 


10


       
 
70 - 80%. t





Hình 3.1.2. 
      
3.1.3). 
70%.
     

    



 .


Hình 3.1.3. 


2
     
 này

     

    
    
(MPNNt trên

      
4)


Hình 3.1.4 


11


    
    

 



      






    
     


     
      







     


      
 






12



      
     

     
     

     





a 




   
- 4 ngày
     
   
     

     
    



Hình 3.1.9. 
     
 

    -30


trong rãnh cách
-


Hình 3.1.10. 


13

   

     
    
     




     

.


Hình 3.1.11. 

    

     


      
      
      
    
3.1.12).


Hình 3.1.12. 



     
ngoài m   
     

    
      

.


Hình 3.1.13. 


14

 

    


     
     
      
     
      
   




Hình 3.1.14. 


    có
    

    
       
    
     
.


Hình 3.1.15. 
   
      
  




ra 
     
     
      

.


Hình 3.1.16.  


15


3. Tiêu n  





     
    
.




    

 -     

    
      
     
.





     

   - 

    

bên trong.



(nguồn: báo Hải Dương)


16





      








   
     
     

     
      
     



Hình 

   
     
      
     


    

      






17

 
Nm



 (hình
3.1.23 


Hình 3.1.23 
  3.1.24). Khi ru

  



Hình 3.1.24.  


18

   
phía 
  3.1.25). Cách

 


Hình 3.1.25
             
 
 3.1.26

Hình 3.1.26tiêu 


19


     

    - thoát
     
     Sau
     
     
     
     



Hình 3.1.27

    
  
 3.1.28).


Hình 3.1.28. 


 3.1.29).
   
n     
     


    
     


Hình 3.1.29


20


: K:


a. 
b. 70-80%
c. Trên 80%



b. 60-65%
c. Trên 65%

Câu 3 
 
a. Có
b. Không

Câu 4. Khi 
là  70-80%?
a. úng
b. Sai

Câu 5 MPNN

a
b. 5 


Câu 6  có MPNN
 
a. 
b. 



21

Câu 7. Dùng :

b. Sai

Câu 8
.

b. Sai


t 
a. Có
b. Không

 
a.  khi khô


 3.1

               inh


22


BÀI 02: Bón phân thúc
-02

- Trình bày được nhu cầu phân bón và cách bón phân thúc cho cây dưa;
- Xác định được loại phân bón, tính đúng lượng phân cần bón, chuẩn bị
đầy đủ phân trước khi bón và bón phân cho dưa theo nguyên tắc 5 đúng.



        
vào    phân bón
phân  
phân bón có  
Các  là  (N), lân (P) và kali (K).
 cây  

ít 

Các 
 . 



phân bón 
phân  (N)
             



.
phân lân (P)
Lân là 
.
phân kali (K)

.
               


23



phân 
M

3. Các 
3.1. Phân bón 
3.1.1. Phân urê: Phân urê 6%,  (hình
3.2.1)và   bón thúc
ho  bón lót. Phân urê có th c trên nhiu lot.

Hình 3.2.1. Phân urê
3.1.2. Phân Sunphat amôn (phân SA): Phân SA     (N) là
20,5% và  là 
            




24



Hình 3.2.2. Phân Sunphat amôn
3.1.3. Phân DAP (Diamino phosphate)
Lcó  (N) 18% và lân 46% (hình 3.2.3)
là trong 100   kg lân nguyên
  màu xanh xám, xám vàng (hình 3.2.4) h
, , 


Hình 3.2.3. Phân DAP
Hình 3.2.4. 
3.2. L 
Phân l (hình 3.2.5) và Supe lân (hình 3.2.6-
17% 


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Hình 3.2.5. Phân lân n
Hình 3.2.6. Phân Super lân
3.3. L 
3.3.1. Phân 
Mt s loi phân  cha kali ng dùng trong sn xut là cloruakali
(hình 3.2.7) có ti 60% kali nguyên cht, dng tình th màu trng và  xen k
trông  mui trn vi t bt, nên còn có tên gi là phân mui t.


Hình 3.2.7. Phân cloruakali (phân mu
Và phân sunphat kali (hình 3.2.8) có cha ti 50% kali. Phân có dng tinh
th nh, mn, màu trng. Phân d tan trong c, ít hút m nên ít vón cc. Phân
này không dùng  bón cho t chua.