Table 3 The results of the ditching test.
From: Design and experiments with a single spiral fixed depth ditching and fertilizing machine
Parameters | Test stroke 1 | Test stroke 2 | Test stroke 3 |
|---|---|---|---|
Set ditching depth (mm) | 250 | 300 | 350 |
Maximum ditching depth (mm) | 259 | 311 | 358 |
Minimum ditching depth (mm) | 243 | 294 | 249 |
Average ditching depth (mm) | 250.3 | 299.3 | 299.5 |
Ditching depth stability coefficient (%) | 94.81 | 95.33 | 96.3 |