 |
| |||
| planter of paris blocks (for measuring soil wetness); gypsum blocks (for measuring soil wetness); porous blocks (for measuring soil wetness); electrical resistance blocks (for measuring soil wetness) | |||
|
| |||
| planter of paris blocks (for measuring soil wetness); gypsum blocks (for measuring soil wetness); porous blocks (for measuring soil wetness); electrical resistance blocks (for measuring soil wetness) | |||