Table 7 Effect of nitrogen, residue and weed management practices on energy indices of wheat (Average of 2018–2019 & 2019–2020).
Treatment | Energy input (MJ ha−1) | Energy output (MJ ha−1) | Net energy (MJ ha−1) | Energy use efficiency | Energy productivity (kg MJ−1) | Energy profitability (kg MJ−1) |
|---|---|---|---|---|---|---|
Nitrogen and residue management | ||||||
RDN + R | 42,084.29 | 123,835.66 | 81,751.37 | 2.94 | 0.09 | 1.94 |
125% RDN + R | 43,614.97 | 136,926.13 | 93,311.16 | 3.14 | 0.10 | 2.14 |
125% RDN + R + WD | 43,688.45 | 137,860.04 | 94,171.59 | 3.16 | 0.10 | 2.16 |
RDN | 15,277.00 | 117,079.26 | 101,802.26 | 7.66 | 0.23 | 6.66 |
SEm ±  | – | 2480.83 | 2480.83 | 0.10 | 0.00 | 0.10 |
LSD (p = 0.05) | – | 8584.79 | 8584.79 | 0.33 | 0.01 | 0.33 |
Weed management | ||||||
Sulfosulfuron + carfentrazone (25 + 20 g/ha) at 30–35 DAS | 36,164.18 | 140,942.73 | 104,778.56 | 4.70 | 0.14 | 3.70 |
Clodinafop-propargyl + metsulfuron (60 + 4 g/ha) at 30–35 DAS | 36,176.20 | 138,156.09 | 101,979.89 | 4.54 | 0.14 | 3.54 |
Clodinafop-propargyl + metribuzin (54 + 120 g/ha) at 30–35 DAS | 36,183.38 | 135,670.64 | 99,487.26 | 4.37 | 0.13 | 3.37 |
Control | 36,140.95 | 100,931.62 | 64,790.68 | 3.29 | 0.10 | 2.29 |
SEm ±  | – | 1934.67 | 1934.67 | 0.04 | 0.00 | 0.04 |
LSD (p = 0.05) | – | 6694.83 | 6694.83 | 0.15 | 0.01 | 0.15 |
Interaction | – | NS | NS | NS | NS | NS |
