Planter Depth-Control: I. Predictions and Projected Effects on Crop Emergence

Abstract

ABSTRACT PLANTER depth control with four wheel designs was evaluated on the basis of the predicted effects on simulated emergence for four crops. A linked front and rear depth control wheel design performed similar to rear and front depth control wheels. Side wheels produced the best performance, but they are too wide for solid-seeded planting narrow rows in crop residues. Depth control wheel position varied the simulated emergence as much as 36%. The simulation models proved useful in evaluating depth control mechanisms and could be extended to field situations by using specific surface topography and seed emergence data for response prediction.