750	avg_yield1
550	avg_yield2
50	avg_yield3
30	avg_yield4
125	avg_yield5

1000	high_yield1
600	high_yield2 
55	high_yield3
35	high_yield4 
130	high_yield5

500	low_yield1
500	low_yield2
45	low_yield3
25	low_yield4
120	low_yield5

1500	avg_residue1
1650	avg_residue2
2600	avg_residue3
1700	avg_residue4
5800	avg_residue5

2	users estimate of observed_wind_erosion
2	past WEQ_erosion_estimate