Chuyên ngành
Khoa
Khóa
: 2011 2015
Thái Nguyên
Chuyên ngành
Khoa
Khóa
: 2011 2015
Thái Nguyên
i
thân.
-
Sinh viên
ii
4.1:
7 trong thí
2014 ................................................................................... 30
4.2:
7
2014........................ 31
4.3:
7
2014......................................................................................... 34
7
lâm 7
2014 .............................................. 35
2014 ......................................................................... 36
........................................................................... 37
7
4.8:
2014 ..................................................... 38
m
7
2014 ..................................................... 39
........................... 40
4.10.
............................................................................... 43
................. 45
iii
4.1.
Nông lâm 7...................................................................................... 27
......................................... 28
.................. 30
4.4:
7
2014................................................................................................. 35
4.5:
26
Nông lâm 7
2014 ............................................................... 37
Hình 4.6.
................ 45
iv
CT
CV(%)
FAO
Ha
Hecta
LSD0,5
NEB
Nutrient Enhancing Balancer
NN & PTNT
NSC
NSG
NSLT
NSTT
P1000
WTO
Ngày sau gieo
v
.......................................................................................... 1
.......................................................................... 1
1.
.............................................................................. 2
................................................................................................... 2
................................................................... 2
............................................................... 3
................................................... 3
................................................................ 3
................................................................................. 4
...... 4
........................ 4
......................... 6
............................................................ 8
............................................................ 8
............................................................... 9
............................................................ 10
............. 11
............................................................ 13
............................................................................... 13
............................................................................ 13
...................................................................... 13
phân NTT/ha: ........................................................................................... 13
....................................................... 14
vi
......................................................... 15
................................................ 17
...................................................... 18
3.5.2. Các
........................................................ 20
............................................................. 22
.............. 24
................................................ 25
........................... 26
4.1
............ 26
................................................................. 28
...................... 31
......................... 33
4.
............................... 34
4.1.5
........................... 36
........................................... 38
2014.............................................................................................................. 40
vii
................................................................. 40
................................................................... 45
........................................................... 47
5.1.
................................................................................................ 47
................................................................................................. 48
............................................................................ 49
1
1.1.
Cây lúa (Oryza sativa L.)
Tuy
nhiên, cùng
Bê
2
:
c Nông
.
lâm
-
-
-
-
inh thái.
3
3
3-
nitrat hoá .
2
,
canh tác.
.
4
26
,
.
,
,
.
.
5
FAO (2013) thì
.
10,90
g
6
duy
2.2.2.
7
5
5].
8
2.3.
55%; lân là 40 - 45%; kali là 50 -
[18]
[3].
].
9
,[17]
sau: s
thì c
ng c
14].
].
2.3.2.
cách rõ
[6,10,11,14].
10
1-
tr
].
2O5,
nh.
2.3.3.
qu
trong
11
khi
K2
].
2.4.
Phân NEB
phân bón
- 40%,
12
mà
nông dân.
13
3.1.
tháng 10
vàng
3.2.
-
-
-
NTT/ha:
1 (Ne1): bón (40N + NEB26) + 80P2O5 + 85K2O
14
2 (Ne2): bón (50N + NEC26) + 80P2O5 + 85K2O
tích 1ha.
3: bón 100N + 80P2O5 + 85K2O
-
Thúc 1 khi lúa bén
-25 ngày
N
K2O
50
30
30
40
20
30
-
-
20m2 = 4 x 5m
-
4m
-
180m2
-
2
15
Ne2
Ne1
Ne1
Ne2
Ne2
Ne1
3.4.3.
3.4.3.1.
-
0
-
16
2
2
)
+ Ne1
+ Ne2
+
-
- 12 ngày bón
+ Ne1
+ Ne2
+ 1,05 ml NEB26; 0,28 kg kali)/ ô x 3 = 0,45