The Impact of Tillage and Weed Control Methods on Physical Properties of Sandy Clay Loam Forest Ochrosol in Cassava Cultivation

Table 7

Weed control Method’s effect on soil penetration resistance.

Soil penetration resistance (kPa)
Depth (cm)
	0–15	15–30	30–60	0–15	15–30	30–60	0–15	15–30	30–60
Weed control	Before tillage			At 3 MAP			After harvest
Hoe	75.62	101.21	144.53	45.31	64.23	118.17	78.27	86.85	130.61
Machete	82.75	108.35	132.23	48.67	73.80	111.39	90.10	100.11	143.63
No weeding	79.63	111.46	141.07	59.09	80.33	127.73	77.16	90.03	144.79

Interpretation: = significant difference at .