45	avg_yield1
18	avg_yield2
35	avg_yield3
	avg_yield4

60	high_yield1
30	high_yield2 
50	high_yield3
	high_yield4 

25	low_yield1
12	low_yield2
20	low_yield3
	low_yield4

3000	avg_residue1
100	avg_residue2
300	avg_residue3
	avg_residue4

17	users estimate of observed_wind_erosion
15	past WEQ_erosion_estimate