Effect of KNO3 Spraying on yield and yield Component of rice on degraded Soie in Bac GiangSummer rice – 2009
Effect of KNO3 Spraying on yield and yield Component
of rice on degraded Soie in Bac GiangSummer
rice – 2009( Quinal/ha)
Effect of KNO3 feliar apraying for paddy Rice in Viet Nam
Tab 1 : Treatrient of experiment.
No Fertilires Addition spraying KNO3
AT Rice F
stage
PI
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% 0 0 0
+75%.at+PI)
Concentration of KNO3 3% With 300 liter/ha
Tab2 : Effect of KNO3 feliar apraying on yield and yield
component of rice on degraded soil in Bac Giang Spring
Rice 2009 ( Quinntal/ha)
Trat Number of Number of % of 1000 Grain
paricals/ grain/pan umfiiied grain yield
m2 grain weight(g
)
1A
1B
2
3
.
.
.
12
LS
DO5
Tab3. Effect of KNO3 Spraying on yield and yield Component
of rice on degraded Soie in Bac Giang Summer rice – 2009
( Quinal/ha)
Trat Number of Number of % of 1000 Grain
paricals/ grain/pan umfiiied grain yield
m2 grain weight(g
)
1A
1B
2
3
.
.
.
12
LS
DO5
Tab 4: Effect of KNO3 Spraying on yield and yield Component
of rice on Alluvial Soie in Nam Dinh Spring Rice – 2009 (
Quinal/ha)
Trat Number of Number of % of 1000 Grain
paricals/ grain/pan umfiiied grain yield
m2 grain weight(g
)
1A
1B
2
3
.
.
.
12
LS
DO5
Tab 5: Effect of KNO3 Spraying on yield and yield Component
of rice on Alluvial Soie in Nam Dinh Summer rice – 2009 (
Quinal/ha)
Trat Number of Number of % of 1000 Grain
paricals/ grain/pan umfiiied grain yield
m2 grain weight(g
)
1A
1B
2
3
.
.
.
12
LS
DO5
Tab 6: Effect of KNO3 Spraying on rice yield on degraded
Soie in Bac Giang 2009 ( Quinal/ha)
Trea Spring Rice Summer Rice
t Yield Response Yield Response
Quintal % Quinal/ %
/ha ha
1A
1B
2
3
.
.
.
.
12
LSD0
5
Tab 7: Effect of KNO3 Spraying on rice yield on Alluvital
Soie in Nam Dinh 2009 ( Quinal/ha)
Trea Spring Rice Summer Rice
t Yield Response Yield Response
Quintal % Quinal/ %
/ha ha
1A
1B
2
3
.
.
.
.
12
LSD0
5
Tab 8: Effect of KNO3 Spraying on N and K20 uptake bypaddy
Rice on degraded Soil in Bac Giang 2009 ( Kg N and K20/ha)
Treat Spring Rice Summer Rice
N K20 N K20
1B
2
3
4
.
.
.
.
12
Tab 9: Effect of KNO3 Spraying on N and K20 uptake bypaddy
Rice on Aluurial Soil in Nam Dinh 2009 ( Kg N and Kg
K20/ha)
Treat Spring Rice Summer Rice
N K20 N K20
1B
2
3
4
.
.
.
.
12
Effect of KNO3 Spraying on N and K20 uptake by SummerRice
(Kg/ha)
Bac Giang 2009
Fig 4.
73. 81. 114. 88. 123 89. 125 85. 119 109.
100. 0 80.4
2 4 5 .5 0 .6 1 .3
6
6
S0 S0 S1 S1 S2 S2 S3
S3 S3 S3 S3 S3
100%
75% 50% BacalMop
Effeet of KNO3 Spring on N and K20 uptake by Spring Rice
( kg/ha) Nam Dinh2009
Fig 5.
158.6 153. 150.
138. 150. 153. 9 2
7 5 5
108. 119. 126. 130. 124. 122.
6 2 0 9 7 6
S0 S0 S1 S1 S2 S2 S3
S3 S3 S3 S3 S3
100%
75% 50% BacalMop
N K20
Effect of KNO3 Spaying on N and K20 uptake by Sring Rice
(kg/ha)
Bac Giang 2009
Fig 3.
134. 135. 132. 133.
122. 133. 6 3 9 4
9 4 94. 92.
85.5 89. 92. 97. 5 1
0 9 6
S0 S0 S1 S1 S2 S2 S3
S3 S3 S3 S3 S3
100%
75% 50% BacalMop
N K20
Effect of KNO3 spraying on Grain yield Respouse in Nam Dinh
( Quintal/ha)
Fig 2.
5. 4.
4. 7. 4.
10. 8.5 4 2 8 6
6. 8.7 11. 0
1 9 3
S1 S2 S3 S3 S3
S1 S2 S3 S3 S3
100 75 50
100 75 50
Sping Rice 2009
Summer Rice 2009
Effect of KNO3 Spraying on grain yield Response in Bac
Giang ( Quintal/ha)
Fig 1.
2. 6. 5. 3. 6. 7.
3. 5. 4 6. 5.
7 3 9 5 2
7 8 1 0
S1 S2 S3 S3 S3
S1 S2 S3 S3 S3
100% 75 50
100% 75 50
Spring Rice 2009
Summer Rice 2009