[Retracted] Simulation of Transmission System of Crawler Self-propelled Rotary Tiller Based on Deep Learning

Table 2

Test results of field performance with different stubble heights.

Handle	Ploughing depth (mm)	Tillage depth stability (%)	Stubble depth (mm)	Surface flatness (mm)	Vegetation coverage (%)
H1N1	132.27c	88.79b	60.13d	44.13b	86.66b
H2N1	124.18d	86.13c	54.50e	45.94b	83.57c
H3N1	123.73d	85.45c	49.50f	48.76a	81.35d
H1N2	141.64a	94.82a	98.67a	25.13e	94.60a
H2N2	140.05a	90.56b	88.67b	34.42d	87.93b
H3N2	138.36b	89.15b	74.50c	41.64c	83.20c