| 2016-05-09 |
Herbicide Application |
Sprayed GLBRC Main Site treatment G1 all replications (1, 2, 3, 4, 5), the inside perimeter bait crop,(outside 30' was sprayed to clean sprayer out) and CE study C2 plots for pre-emergence weed control and post plant burndown where corn was planted. Sprayed with Lexar at 3 qts/A and Roundup Power Max at 32 oz/A and ammonium sulfate at 3.4 lbs/A. Weather conditions at the start 3:40 p.m. were coudy 61 degrees F, 44% humidity with 5-10 mph south south east wind. Conditions at the end 5:30 p.m. were cloudy, 60 degrees F, 48% humidity, and 5-10 mph east wind. |
| 2017-05-10 |
Herbicide Application |
Sprayed GLBRC Main Site G1 all replications (1, 2, 3, 4, 5), middle 30 ft on all three sides of perimeter bait crop, T8nt plots, CE3 plots (105, 207, 301, 403), LTER N-Rate Study for pre-emergence weed control where corn was planted with Lexar at a rate of 3 qts/A. Weather conditions at the start 3:00 p.m. were partly sunny 70 degrees F, 38% humidity with 3-5 mph wind out of west. Conditions at the end 5:10 p.m. were partly sunny, 69 degrees F, 41% humidity, and 2-4 mph winds out of the south. Equipment Used: JD 5220 tractor traveling 5.0 mph with a pull type Top Air Sprayer equipped with a hydraulic centrifugal sprayer pump and John Deere Rate Controller. Twin Turbo TeeJet 11003 nozzles were used, spaced 15 inches apart with a total boom length of 30 feet. 20 psi were used. Water applied at 20 gals/A, (187 L/ha), was used as the carrier. |
| 2017-06-09 |
Herbicide Application |
Sprayed LTER Main Site treatment T1 all replications (6, 3, 2, 5, 1, 4), and T2 all replications (6, 1, 4, 3, 2, 5) for post-emergence weed control where corn was planted. Sprayed with Roundup Powermax at a rate of 22 oz/A ( T1 rep 4 rate was increased to 32 oz/A due to the amount of grass in the plot), ammonium sulfate at 3.4 lbs/A and Lexar at 3 qts/A. Weather conditions at the start 9:00 a.m. were mostly sunny 62 degrees F, 74% humidity with 4-6 mph south west winds. Conditions at the end 3:30 p.m. were mostly sunny, 80 degrees F, 52% humidity, and 9.5-10 mph winds out of the south west. |
| 2017-06-10 |
Herbicide Application |
Sprayed LTER Main Site Lysimeter field for post-emergence weed control where corn was planted. Sprayed with Roundup Powermax at a rate of 22 oz/A, ammonium sulfate at 3.4 lbs/A and Lexar at 3 qts/A. Weather conditions at the start 7:15 a.m. were mostly sunny 65 degrees F, 82% humidity with 4-6 mph south west winds. Conditions at the end 9:00 a.m. were mostly sunny, 68 degrees F, 72% humidity, and 4-6 mph winds out of the south west. |
| 2018-05-07 |
Herbicide Application |
Sprayed GLBRC G1 corn plots, 1 corn plot (last one to west) in rep 6 and corn in the old productivity study (south half) with Roundup Powermax, Lexar and AMS. Roundup Powermax applied at 1qt/A, Lexar applied at 3qts/A and Ammonium Sulfate (sprayable, CAS #7783-20-2) was applied at 17 lbs/100 gallons of carrier. Weather conditions: At the start 12:30 p.m. sunny 74 degrees F, humidity was 40.6 % with 5-10 mph north, north east End of application 2:30 p.m. sunny, 67 degrees F, humidity 28 %, with 5-10 mph west winds. |
| 2019-05-17 |
Herbicide Application |
Sprayed Corn in GLBRC Main Site G1 all replications (3, 2, 5, 3, 1), Inner 30' on north perimeter and outer 30' on South and East perimeter bait crop, North half of productivity study, CE1 & CE3 all replications and LTER Lysimeter field from the Wheat which stop at T2 plot to the West about to the middle of T2 with Lexar at a rate of 3 qts/A. Weather conditions at the start 1:15 p.m. were overcast 64 degrees F, 67.3% humidity with 6-7 mph wind out of north west. Conditions at the end 3:10 p.m. were partly overcast, 66 degrees F, 68% humidity, and 3-4 mph winds out of the North West. |
| 2024-05-16 |
Herbicide Application |
The product was old, and after mixing, determined to be unfit for use on research plots. So, it was applied to bulk corn at a half rate. Application was begun at the south edge of the field and about half the field was treated. Wind 9.6 mph from S, 64.9 F. |