25	avg_yield1
	avg_yield2
	avg_yield3
	avg_yield4

30	high_yield1
	high_yield2 
	high_yield3
	high_yield4 

10	low_yield1
	low_yield2
	low_yield3
	low_yield4

2000	avg_residue1
	avg_residue2
	avg_residue3
	avg_residue4

10	users estimate of observed_wind_erosion
1.6	past WEQ_erosion_estimate