Research Article
The Impact of Tillage and Weed Control Methods on Physical Properties of Sandy Clay Loam Forest Ochrosol in Cassava Cultivation
Table 6
Tillage method’s effect on penetration resistance.
| Soil penetration resistance (kPa) |
| Depth (cm) |
| Tillage method | 0–15 | 15–30 | 30–60 | 0–15 | 15–30 | 30–60 | 0–15 | 15–30 | 30–60 | | Before tillage | At 3 MAP | After harvest |
| NT | 77.80 | 102.64 | 155.93 | 51.81 | 72.24 | 130.76 | 62.11 | 52.30 | 98.07 |
| MT | 92.18 | 116.70 | 159.52 | 53.28 | 87.61 | 126.83 | 34.32 | 77.47 | 123.40 |
| PHR | 84.99 | 131.41 | 148.08 | 38.57 | 48.05 | 123.56 | 101.34 | 134.84 | 184.69 |
| DPHR | 83.36 | 101.99 | 136.64 | 37.59 | 49.03 | 91.53 | 118.33 | 97.25 | 150.37 |
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Interpretation: = significant difference at . |