Disc type furrow openers are especially suited to
A. Stoney and root infested soils
B. Poorly prepared bed in trashy soil
C. Hard and sticky soil with considerable amount of debris and mulch D. All of the above
A. Stoney and root infested soils
B. Poorly prepared bed in trashy soil
C. Hard and sticky soil with considerable amount of debris and mulch D. All of the above