phân tích hiêu quả kỹ thuật của cây dưa hấu ở huyện long mỹ, tỉnh hậu giang - Pdf 30


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KHOA - 

MSSV: 4105158




Ngành: 
52620115
C



ii  

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




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3. c, thc tin, tính cp thit c tài:


4.  tin cy ca s liu, tính hii ca lu

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5. Ni dung và kt qu c:


6. Các nhn xét khác:


7. Kt lun:



2013



v  
, ng2013



vi 

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1 GII THIU 1
T V 1
1.2 MC TIÊU NGHIÊN CU 2
1.2.1 Mc tiêu chung 2
1.2.2 Mc tiêu c th 2
1.3 CÂU HI NGHIÊN CU VÀ CÁC GI THUYT CN KINH 2
1.3.1 Câu hi nghiên cu 2
1.3.2 Các gi thuyt cn kinh 2
1.4 PHM VI NGHIÊN CU 2
1.4.1 Phm vi không gian 2
1.4.2 Phm vi thi gian 2
ng nghiên cu và v nghiên cu 3
1.4.4 Ni dung nghiên cu 3
: 2 U . 4
2.1 N 4

3.3.1.1 Cây Lúa .22
3.3.1.2 Cây màu .23
3.3.1.3 Cây ăn trái .23
 .24
3.4 TÌNH HÌNH SN XUA BÀN HUYN LONG
M .25
c v u .25
t, din tích, s .25
: 4 PHÂN TÍCH HIU QU K THUT CU
 HUYN LONG M, TNH HU GIANG .27
 M TR  U CA CÁC NÔNG H TRONG MÔ
HÌNH .27
4.1.1 Mô t v các ngun lc ca h trong quá trình sn xuu .27
4.1.2 K thut sn xuu ca các nông h .28
4.1.3 Thc trng sn xuu ca các h u tra 2013 .30
4.2 PHÂN TÍCH CHI PHÍ - DOANH THU - LI NHUN CA VIC
TRU .31
4.2.1 Phân tích các khon chi phí mà h  .31
4.2.2 Phân tích kh i ca vic tru mà h c .34
4.3 PHÂN TÍCH CÁC YU T NH H   
HU .34
4.4 PHÂN TÍCH CÁC YU T NH HU N HIU QU K
THUT TRONG CANH TÁC .37

viii 4.5 NHNG THUN L       N
XUU  HUYN LONG M TNH HU GIANG .38
4.5.1 Thun li .38


ix DANH SÁCH 

Trang
  .16
 2012 .19
 .20
  
2009  2012 .22
 2012 .23
 
-2012. .24

2010  10/2013 .26
 
 .27
 .28

2013 .30
 .31
  .34
Bng 4.6 Kt qu ng ba
hàm sn xut biên Cobb-Douglascho 60 h tru ti huyn Long M
 .35
  
 .37



xi 

BVTV : 
 : 
GDP (Gross Domestic Product) : 
Ha : Hecta
MLE (Maximum likelihood estimation) : P
NQ-CP : -
OLS : P
TE (Technical Efficiency) : Hiu qu k thut
TIE (Technical Inefficiency model) : H)
TP : Thành ph
UBND : 



 dân và 88,8%
D
  , 
 
t. Ngoài ra thì  
vào tronkênh t

Bên
 


 -Phân
cây  

2 

a 
 


Mục tiêu 1:   

Mục tiêu 2

 
.


3  
              
Long 
 
 

 
   

 i dung sau: 

 , 
         

Thứ nhất, đất đai: 


Thứ hai, lao động: 


Thứ ba, tiền vốn và sự tiêu dùng: 
làm công 








cao.[19]





hóa hay 




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)
Trong 
Q 
X
i

Z
i




Y = f (X
1
, X
2
, X
3
, X
4

n
)

i



k
+ V
i
- U
i
(2.1)


6 Y: 
X
i
:  ( X>0)
V
i
: Là 
U
i
: Là 


0



vào X
i


M
M x[i],
M.
 x[1],…, x[N]
trình phát sinh .

7          x[1]
x[N] hình hình xác  
 M
L(θ) = P(x[1], ,x[N]|θ, M) (2.2)
  mô hình m xét cho 
x[1], x[2], …, x[N] là:
x[i] (i N
- à 
- 
Trong MLE chúng ta tìm làm cho hàm trên 
là ìm   
ã cho.

x 
f
x[i]

1
, θ
2
, , θ

Và hàm ln likelihood 
   
 
 



N
i
KixDD
fL
1
21
, ,,lnln


(2.5)
θ
1
, θ
2
, , θ
K
L
D
(θ) hay
 

D


ng.
2.1.3 K

              
nhau (Ellis, 1993). N
  Trong phân tích




8 Hiệu quả kỹ thuật và các yếu tố hưởng đến
hiệu quả kỹ thuật của hộ trồng lúa ở đồng bằng sông Cửu Long, Việt Nam
trong giai đoạn 2008-2011         
2012: 268--  

Hiu qu k thut là kh 
ut ta trên các yu t sn xut và k thut hin có.
Hiu qu k thut (TE) là t s git hoc sng thc t và
t hoc sng t
TE = Y
i
/ Y
i
* = f(x
i
;


Theo   các xã   
2012  
 

2.2.2 
 
n
 
 



 

2.2.3 
Đối với mục tiêu 1:  so
              

9  
Giang.
Đối với mục tiêu 2: S
pháp so sánh nh

Đối với mục tiêu 3: 
.

lnY = ln


+


18
1j
jij
Z

+
i

(2.3)
Z
ji
(j=1,2,3, ,6)
X
1
: L, kg/1.000m
2


X
2
: L            
kg/1.000m
2

X
3







10 Z
1

Z
2

Z
3

Z
4

= có; 1 = không)
Z
5

Z
6

ngày; 1 = khác 60 ngày)
Z







11  3




" 
sông MêKôngnh chính
 phía Tây Nam, cách thành
p 60 km theo  
Thanh         
ssông

nhau. Sau 30 tháng 04 1975,   
Phong Dinh và Ba Xuyên 
  và . Ngày 26
tháng 11 2003,   
 ngày nay"[17]
 Hình 3.1 S

"           
Long.           
  ven 
Châu Thành 
- 
 
 ".[14]

thành .
 


 ".[14]
            
g
, 
,  và ,
  và 
Liêu
km".[14]
3

             
Long 

- 
.[14]


:


      
0
         
(20,3
0
C).

               
tháng 3 và 4 (77%) và
15]
- 
- 


nghiên 


+ 
 
- - 



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