Sprayer, pre-emergence O 04 oenergyarea 1.2160101 ostir .15 op_notes4 Spray operation: General use: Herbicide and other tank mixes. Pre-emerge timing is commonly after planting and prior to crop emergence. Crop is not killed. ofuel op_devnotes4 Spray pest control chemicals on growing crop. Crop is not killed. In the MCREW management screen the user must select the kind of weeds killed in the growing crop as external residue. 080404 DTL Cloned from Defoliate (spray) crop.oprn, Changed the P31 to No crop kill and added G4 to add material to field MAS 9-28-06 LMOD and WEPS DB correlation, existing WEPS operation record, 160410 jp G 03 gcropname weed residue; 0-3 mo P 65 numst 0.0 rstandht 0.0 rstandmass 0.0 rflatmass 0.0 rbc 1 rburiedmass 0.0 rburieddepth 0.0 rrootmass 0.0056042504 rrootdepth 152.4003 standdk 0.05 surfdk 0.05 burieddk 0.05 rootdk 0.05 stemnodk 0.2 stemdia 0.0050 thrddys 20 covfact 5.227942 resevapa -1.20379 resevapb 0.604887 crop_notes This is a default notes text string.