Typical percents of residue cover remaining are listed in the table. The percentages do not take into account variables such as the condition of the residue, speed and soil type.

Starting residue cover (percent)	*Remaining non-fragile residue cover (percent)**			Remaining fragile residue cover (percent)**
	with 2-in. x 14-in. shovel	with 3-in. x 24-in. shovel	with 4-in. x 24-in. shovel	with 2-in. x 14-in. shovel	with 3-in. x 24-in. shovel	with 4-in. x 24-in. shovel
100	65	55	50	45	40	35
90	55	50	45	40	35	30
80	50	45	40	35	30	28
70	45	38	35	30	28	25
60	40	33	30	27	25	20
50	32	27	25	22	20	17
40	25	22	20	18	15	14

*Non-fragile residue includes crops like corn, sorghum, wheat (more than 45 bu).
**Fragile residue includes crops like soybeans, edible beans, peas, wheat (under 45 bu), sunflower, peanuts, cotton.

714 Mulch Tiller