Table 2.
The effects of IPN on the light intensity of the rice canopy.
| Measurement time | Light intensity (Lx) |
Light intensity decline (%) | ||
|---|---|---|---|---|
| OFC | IPN | |||
| Sunny days | Morning (9:00–10:00) | 84870.22 | 62181.52 | 26.73 |
| Noon (12:00–13:00) | 119443.71 | 82536.66 | 30.90 | |
| Afternoon (15:00–16:00) | 74904.68 | 55920.38 | 25.34 | |
| Cloudy days | Morning (9:00–10:00) | 37859.64 | 28673.06 | 24.26 |
| Noon (12:00–13:00) | 44567.80 | 31947.21 | 28.32 | |
| Afternoon (15:00–16:00) | 26799.44 | 19748.78 | 26.31 | |
| Overcast days | Morning (9:00–10:00) | 8968.17 | 6948.31 | 22.52 |
| Noon (12:00–13:00) | 11014.66 | 8395.60 | 23.78 | |
| Afternoon (15:00–16:00) | 9323.21 | 7489.68 | 19.67 | |
OFC, open field cultivation; IPN, insect-proof net cultivation.