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

Interpretation: = significant difference at .