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Correlation analysis of energy indices and balance energy indices for rice production
Result of "Table 16" (balance energy indices) showed that between paddy yield, straw yield, husk yield and biomass yield with production energy and production energy to consumption energy ratio have a positive and very significant correlation, also between paddy yield, straw yield, husk yield and biomass yield with consumption energy to production energy ratio energy intensity a negative and significant correlation in probability level of 1% were recorded.
|
Item |
Yield |
Consumption |
Production |
Production energy |
Consumption energy |
|
Energy |
energy |
Consumption energy |
Production energy |
||
|
Paddy yield |
і |
||||
|
Consumption energy |
0.58 |
1 |
|||
|
Production energy |
0.99** |
0.58 |
1 |
||
|
Production energy/ Consumption energy |
0.99** |
0.48 |
0.99** |
1 |
|
|
Consumption energy/ Production energy |
-0.96** |
-0.50** |
-0.96** |
-0.97** |
1 |
|
Straw yield |
1 |
||||
|
Consumption energy |
0.59 |
1 |
|||
|
Production energy |
0.99** |
0.59 |
1 |
||
|
Production energy/ Consumption energy |
0.99** |
0.49 |
0.99** |
1 |
|
|
Consumption energy/ Production energy |
-0.96** |
-0.52** |
-0.96** |
-0.96** |
1 |
|
Husk yield |
1 |
||||
|
Consumption energy |
0.59 |
1 |
|||
|
Production energy |
0.99** |
0.59 |
1 |
||
|
Production energy/ Consumption energy |
0.99** |
0.48 |
0.99** |
1 |
|
|
Consumption energy/ Production energy |
-0.96** |
-0.52** |
-0.96** |
-0.96** |
1 |
|
Biomass yield |
1 |
||||
|
Consumption energy |
0.59 |
1 |
|||
|
Production energy |
0.99** |
0.59 |
1 |
||
|
Production energy/ Consumption energy |
0.99** |
0.59 |
0.99** |
1 |
|
|
Consumption energy/ Production energy |
-0.96** |
-0.51** |
-0.96** |
-0.96** |
1 |
|
**and*respectively significant in 1% and 5% area Table 16. Correlation of energy balance indices for rice production |
Result of "Table 17" (energy indices) showed that between paddy yield, straw yield, husk yield and biomass yield with input energy, output energy, energy ratio, energy productivity, net energy gain and water and energy productivity have a positive and very significant correlation, also between paddy yield, straw yield, husk yield and biomass yield with energy intensity a negative and significant correlation in probability level of 1% were recorded.