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Tài liệu Effect of KNO3 Spraying on yield and yield Component of rice on degraded Soie in Bac GiangSummer rice – 2009 docx

Effect of KNO
3
feliar apraying for paddy Rice in Viet Nam
Tab 1 : Treatrient of experiment.
No Fertilires Addition spraying KNO
3
AT Rice stage
PI
F
1 NP 0 0 0
2 NP + + +
3 NPK( Basal 100%.MOP) 0 0 0
4 NPK(Basal 100%.MOP) + 0 0
5 NPK(Basal 100%.MOP) 0 + 0
6 NPK(Basal 100%.MOP) 0 0 +
7 NPK(Basal 100%.MOP) + + 0
8 NPK(Basal 100%.MOP) 0 + +
9 NPK(Basal 100%.MOP) + + +
10 NPK(Basal 75%.MOP) + + +
11 NPK(Basal 50%.MOP) + + +
12 NPK(Basal 50%+75%.at+PI) 0 0 0

Concentration of KNO
3
3% With 300 liter/ha
Tab2 : Effect of KNO
3
feliar apraying on yield and yield component of rice on
degraded soil in Bac Giang- Spring Rice 2009 ( Quinntal/ha)
Number of
paricals/m
2
Number of
grain/pan
% of
umfiiied
grain
1000 grain
weight(g)
Grain
yield
1A
1B
2
3
.
.
.
12
LS
DO5
Tab3. Effect of KNO
3
Spraying on yield and yield Component of rice on degraded
Soie in Bac Giang- Summer rice – 2009 ( Quinal/ha)
Number of
paricals/m
2
Number of
grain/pan
% of
umfiiied
grain
1000 grain
weight(g)
Grain
yield
1A
1B
2
3
.
.
.
12
LS
DO5
Tab 4: Effect of KNO
3
Spraying on yield and yield Component of rice on Alluvial Soie
in Nam Dinh- Spring Rice – 2009 ( Quinal/ha)
Number of
paricals/m
2
Number of
grain/pan
% of
umfiiied
grain
1000 grain
weight(g)
Grain
yield
1A
1B
2
3
.
.
.
12
LS
DO5
Tab 5: Effect of KNO
3
Spraying on yield and yield Component of rice on Alluvial Soie
in Nam Dinh- Summer rice – 2009 ( Quinal/ha)
Number of
paricals/m
2
Number of
grain/pan
% of
umfiiied
grain
1000 grain
weight(g)
Grain
yield
1A
1B
2


3
.
.
.
12
LS
DO5
Tab 6: Effect of KNO
3
Spraying on rice yield on degraded Soie in Bac Giang -
2009 ( Quinal/ha)
Treat Spring Rice Summer Rice
Yield Response Yield Response
Quintal/ha % Quinal/ha %
1A
1B
2
3
.
.
.
.
12
LSD05
Tab 7: Effect of KNO
3
Spraying on rice yield on Alluvital Soie in Nam Dinh -
2009 ( Quinal/ha)
Treat Spring Rice Summer Rice
Yield Response Yield Response
Quintal/ha % Quinal/ha %
1A
1B
2
3
.
.
.
.
12
LSD05
Tab 8: Effect of KNO
3
Spraying on N and K
2
0 uptake bypaddy Rice on degraded Soil
in Bac Giang- 2009 ( Kg N and K
2
0/ha)
Treat Spring Rice Summer Rice
N K
2
0 N K
2
0
1B
2
3
4
.
.
.
.
12
Tab 9: Effect of KNO
3
Spraying on N and K
2
0 uptake bypaddy Rice on Aluurial Soil
in Nam Dinh - 2009 ( Kg N and Kg K
2
0/ha)
Treat Spring Rice Summer Rice
N K
2
0 N K
2
0
1B
2
3
4
.
.
.
.
12

Effect of KNO
3
Spraying on N and K
2
0 uptake by SummerRice (Kg/ha)
Bac Giang- 2009
Fig 4.

S
0
S
0
S
1
S
1
S
2
S
2
S
3
S
3
S
3
S
3
S
3
S
3

100% 75% 50% BacalMop
73.2
100.6
81.4
114.5
88.0
123.5
89.0
125.6
85.1
119.3
80.4
109.6
Effeet of KNO
3
Spring on N and K
2
0 uptake by Spring Rice ( kg/ha) Nam Dinh-
2009

Fig 5.


S
0
S
0
S
1
S
1
S
2
S
2
S
3
S
3
S
3
S
3
S
3
S
3
100% 75% 50% BacalMop
108.6
138.7
119.2
150.5
126.0
153.5
130.9
158.6
124.7
153.9
122.6
150.2
N K
2
0
Effect of KNO
3
Spaying on N and K
2
0 uptake by Sring Rice (kg/ha)
Bac Giang- 2009
Fig 3.


S
0
S
0
S
1
S
1
S
2
S
2
S
3
S
3
S
3
S
3
S
3
S
3
100% 75% 50% BacalMop

Effect of KNO
3
spraying on Grain yield Respouse in Nam Dinh ( Quintal/ha)

Fig 2.
85.5
122.9
89.0
133.4
92.9
134.6
97.6
135.3
94.5
132.9
92.1
133.4
N K
2
0

S
1
S
2
S
3
S
3
S
3
S
1
S
2
S
3
S
3
S
3
100 75 50 100 75 50
Sping Rice 2009 Summer Rice 2009
Effect of KNO
3
Spraying on grain yield Response in Bac Giang ( Quintal/ha)
Fig 1.




6.1
8.7 11.9
10.3
8.5
4.0
5.4
7.2
4.8
4.6

2.7
3.7
6.3
5.9
5.8
3.5
6.2
7.4
6.1
5.0
S
1
S
2
S
3
S
3
S
3
S
1
S
2
S
3
S
3
S
3
100% 75 50 100% 75 50
Spring Rice- 2009 Summer Rice- 2009

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