Table 2 Three fundamental points temperature and crop coefficient of peanut at each growth stage in the study area.
Growth periods | Lower limit temperature (t1) | Appropriate temperature (t0) | Upper limit temperature (th) | Crop coefficient (Kc) |
|---|---|---|---|---|
Pre reproductive period | 12 | 22.5 | 37 | 0.50 |
Mid reproductive period | 19 | 27.5 | 37 | 1.15 |
Last reproductive period | 15 | 25 | 39 | 0.60 |