ỦY BAN NHÂN DÂN TỈNH AN GIANG
TRƯỜNG ĐẠI HỌC AN GIANG
KHOA NÔNG NGHIỆP - TÀI NGUYÊN THIÊN NHIÊN
LỮ THỊ KIM DUNG
MSSV: DPN010699
SO SÁNH NĂNG SUẤT VÀ KHẢ NĂNG CHỊU NGẬP CỦA TÁM
GIỐNG/DÒNG CAO LƯƠNG
TRỒNG TRONG CHẬU
LUẬN VĂN TỐT NGHIỆP KỸ SƯ NGÀNH PHÁT TRIỂN NÔNG THÔN
GIÁO VIÊN HƯỚNG DẪN
ThS. NGUYỄN THỊ THANH XUÂN
i
Tháng 6 . 2005
SO SÁNH NĂNG SUẤT VÀ KHẢ NĂNG CHỊU NGẬP
CỦA TÁM GIỐNG/DÒNG CAO LƯƠNG
TRỒNGTRONG CHẬU
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GIÁO VIÊN HƯỚNG DẪN

ThS. NGUYỄN THỊ THANH XUÂN
ii
TRƯỜNG ĐẠI HỌC AN GIANG
KHOA NÔNG NGHIỆP - TÀI NGUYÊN THIÊN NHIÊN
TRƯỜNG ĐẠI HỌC AN GIANG
KHOA NÔNG NGHIỆP - TÀI NGUYÊN THIÊN NHIÊN
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CỦA TÁM GIỐNG/DÒNGCAO LƯƠNG TRỒNG TRONG CHẬU
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TÓM LƯỢC
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%jC&m %?)#CN#z9'6k6)2
tS#]#T)Z\/<>#l#--<e#?)#C
N'!T6`'(^##%9C%/<8C$9'&²
k6;)#&%?)#CN/#kk%!*&k6;)#
['#(<²'^t/²&^#P./0"#*[%!&²
#)'^<C³&*<'/%t^#"#6A=9'
&²2E'#P%6'.A^#\QC#/344DG2T;&"#
6A=9'&²&%C.]?)#N#CN)<=9'L2
RC&<L#&&P.?)k6;)#['['<=
#(/)#'$P&1Ck#1[--<e#ka-j#'#$
?):l#'*%jC&m2RP.C&<L#&&P.k9'#1
[n-o#P&1&%?)#CN/"#$*C&<L#
p4bq4$P&1r&cs/)#'$+C'#: r4$C2
C&<L#C'6&%²1%<=-j#&%?)
1
#<_C.#/vC&<L#ka;+'$C9'&<='C.
#9:!&%:12#)'^C&<L#-j#C.A
%!c#^a;+'$?)#CN2 k1-o#9
9'%zC&<L#<="#a&$.P&1/&$./C.&$.<_#
E#'.gT)^<L#}'_/IJKIG
A1a6A^##^#^Q##C
E344Db34I4G&$$'*!)#<>#M#^#
#: i'P#)%v3b|±2´##!:!#^##
 u)#µH#)'^vK/3±E)%344rG&II/D±E)%34I4G2
<8#8\-6Au)#*:l\6;#pq2qJp2

a1a#,2
1^%:H+t-P:•#:·/ka"#&C'>
}##*#$&1k&8s#%*-&81:CB#NP.61#
2
M1C&j%o1(#H/+7zN%/k'*##
C.³#?#/j%C%C#9'#,/k9'#,C%H
3
v#z2%!#,k'*#%!#,6^#'*#/\v>#Hk:C
#,C2
,6^#'*#&8%C#C&<e#}'oC/kk
-\#-\#:C&$.1C2,Ck?CCC/C
}'oC-<8}'oz:$o\l&%!$'%²#2
,Ck'*#*%-k-\:C&$.C/\?C[
z:$o/C-<8l%!$'/Cl%!$':C
a'[/CC&<L#<_#]1#8%]v-<8&C.v
+'*#/_#C]<_#6,-rbp#.EZ'.Z^#/IJqKG2
RC&<L#&&P.}'o'.k6;)##C$,
8µ&pbI4±/²L:sk%'s61C''¸#*#/<_#kk
%'s#/#/²/P'/222k9'-#61C'2##%9
\C"6^#\C"BCZ'.Z^#EIJqKG&NC%A$.
6Ai';&\C"6^#;<>#A9'C)#'$BCP./
9'.m#j=8F6ABCd6&tEIJpIG
I
\C"BC&NC%A
6^#;<>#AP#<=&2#6;#L%<_)%
i'C#<_Cz:NFACk%²lC;k%8k%
^82R<_#i'C#=BCk%t' 6aBCRC&/
#¶C&;•%c'&=$R
|
/lk%lC;8E#

† 1#  %z _ c.B <L#
;8|4±11#c.B
|2µ&i'C#=L[-
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/}#P.<C1##9' 
<_#!i'C#=#C2Z*8P.HlC;8/<C1#c.
B/$.•#N#n-o#<_#!i'C#=*LA%?
r3%#xR‹
3
x-%
3

!<L*BCP.2¾CEIJrqG5%^;!-.1P.:•#w\*
-&1yEQG]#*-&1L[-$/k&
*-k6;)#i'C#=<=BCP.L[-$2
;)#i'C#=C$6P.Q*;6Q
*C P.P:•##}Ci'C#=^$/#¶C&P.6^#
%6*2A9'.kF#¶C#;+'$¼6P.l
² &1#9'6;)#i'C#=#C/<#\A%!
%?!/A'P.(%i'1 6;)#;+'$#;%2
#C/&<=#P%:km#;<>#&&1~#
$E%!#}##'.*BC-&o*Gk<L#i'C&88
Q21BC}##*#61C' kz61C'#C.#
j#%!#*#:k61C'Cm#kz&161C'2Rk#*#
&1B-11#6^#A<=%z$/k#*#k&1L/&1#sL
,11#A<=%z$/<#>%?! #C.;i'ca
&1³#?#m#:[m/-#/)#Q<#"#_11#
m#:[#)z9'L>%?!$2?!k<L#i'C#}C
:9-.&1Q/#}C:9-.&16<8&12*#kQ&8uk
6'.<8#&1-%²#/m#k&i'C<L##}C:9-.&1
Q#}#%?!61C'ET/IKKDG
p
2
Tm)'EIJqpG
q
:A>P.C&<L#v#C|&1A
k_$6^P:*B.A'>&1/v#C]_$6^&'`
6
T/IKKD/-f:>/['"#/IJqK/!*z&F|#*#&NC
%Ad
I
/d

7
TmT)'/IJqp/-f:>/R^#/IJqJ/€<>#1<L#
1#t$.#*#&NC%A•M•dQ‹/&'()*#6`<
/<_#ZRcL2
11
D4bq4%/!#DbK%k#P>%'s#/o%C-#j.P
1/<CC.-./-v34b|4%/k%'s61C'j.t
#*#"#E#/²P'C.t/0G2RP.C&<L#k#'"#*
>•/#.C.<="#]:A>6s1j#8/1
8^8k#A#82
2.1.5 Khả năng sử dụng của cao lương
 RC&<L#&%!#}#&#m*i'CH#A
#8/C&<L#<=-j# &%:1/&$.1/&$.-c'/&%"-1/
<#$<='/t+t/l<=-j#&%?))'^/
PC&<L#-j#A:AC&&//&$.<_#/&%"#²#
)'^/&1B&$.P/1Cka-j#&%]2
ta:16C^##EIJJIG/C&<L#&$.P&1
&%?) #)'^:C#"%C&<L#?))'^
d/d'¼P.CP9'<8$#H/C&<L#²
d/d&¼k}#B#&C8C&<L#)'^
B#&CBCCk%2T9%z"#H/C&<L#k6;)#['
/)#'$Ck6;)#1C'6zE²h'-C#%!*
B#&C61G/<_#C&<L#<="#86;#134br4%
#}C#a);z"#1#6;#r4bD4%a)+C/
kaz+C#CNC.z6:sc'#(%}C"B+Cz
;#CN)A3b|&c)#'$6;#ID$$6^xC/
"#Lk<8<8kazD&c6^#<8z<=3&c2
c#1[?))'^'¸'!%?!
<>#&N'E%{6#$6^4/pDb4/KL[?)/C.
4/DDb4/qDL[?)[/8r4bIr4#t-g'G2

P.C&<L#-<8-#B+C <(.P.5i'CC1#B%&<=#
#&'»+C-tt5:C.LP.<='65 
2Cka)#^C.?)k:!<86)C&<L#/
a$#&'»#;%:8*! C++C #-²2
13