Table 7 Polynomial (quadratic) regression models for rabi crops.
Sr# | Quadratic models | Coefficients | P-value | R | R2 |
|---|---|---|---|---|---|
1. | SYRSwheat Vs SDRSVCI | (− 0.134) + 0.543(SDRSVCI) + 0.149(SDRSVCI)² | 0.04* | 0.54 | 0.29 |
2. | SYRSwheat Vs SDRSTCI | (− 0.113) + 0.353(SDRSTCI) + 0.126(SDRSTCI)² | 0.19 | 0.42 | 0.17 |
3. | SYRSwheat Vs SDRSVHI | (− 0.048) + 0.496(SDRSVHI) + 0.053(SDRSVHI)² | 0.06* | 0.53 | 0.28 |
4. | SYRSgram Vs SDRSVCI | (− 0.057) + 0.680(SDRSVCI) + 0.064(SDRSVCI)² | 0.007** | 0.66 | 0.44 |
5. | SYRSgram Vs SDRSTCI | (0.02) + 0.53(SDRSTCI) – 0.02(SDRSTCI)² | 0.02* | 0.53 | 0.28 |
6. | SYRSgram Vs SDRSVHI | (− 0.012) + 0.699(SDRSVHI) + 0.013(SDRSVHI)² | 0.003** | 0.70 | 0.49 |
7. | SYRSbarley Vs SDRSVCI | (0.09) + 0.331(SDRSVCI) – 0.101(SDRSVCI)² | 0.24 | 0.39 | 0.15 |
8. | SYRSbarley Vs SDRSTCI | (− 0.154) + 0.041(SDRSTCI) + 0.171(SDRSTCI)² | 0.61 | 0.23 | 0.05 |
9. | SYRSbarley Vs SDRSVHI | (− 0.112) + 0.174(SDRSVHI) + 0.125(SDRSVHI)² | 0.42 | 0.31 | 0.09 |
