Table 1.  Roundup Ready Seeding Rate, Bixby, Stand 2006  Table 2.  Roundup Ready Seeding Rate, Bixby, Stand 2006  Table 3.  Roundup Ready Seeding Rate, Stand 2006  Table 4.  Roundup Ready Seeding Rate, Stand 2006 
Irrigated Irrigated Bixby, Irrigated Bixby, Irrigated
Observation Date: 4/18/2006 Observation Date: 5/16/2006 Observation Date: 6/21/2006 Observation Date: 10/19/2006
Stand Density 1 Stand Density 2     Stand Density 3       Stand Density 4  
Seed Rate (lbs/acre) Herbicide Treatment Seed Rate (lbs/acre) Herbicide Treatment Seed Rate (lbs/acre) Herbicide Treatment Seed Rate (lbs/acre) Herbicide Treatment
Roundup Beyond None means Roundup Beyond None means Roundup Beyond None mean Roundup Beyond None mean
  No. of  plants/sq.ft.   No. of  plants/sq.ft.   No. of alfalfa plants/sq.ft.   No. of alfalfa plants/sq.ft.
  alfalfa weeds alfalfa weeds alfalfa weeds alfalfa weeds   alfalfa weeds alfalfa weeds alfalfa weeds alfalfa weeds        
        8 17.5 15.3 18.6 17.1 8 8.0 7.2 4.2 6.4
8 3.6 0.3 3.9 0.6 3.5 0.8 3.7 0.6 8 8.8 13.1 10.6 14.1 9.2 8.2 9.5 11.8 12 21.0 18.1 18.8 19.4 12 11.0 9.4 8.9 9.8
12 8.6 0.4 5.6 0.5 7.0 0.7 7.1 0.5 12 17.0 7.0 13.4 10.8 14.1 6.8 14.8 8.2 16 32.6 24.0 31.4 29.3 16 13.3 10.8 9.2 11.1
16 9.6 0.4 10.5 0.6 10.3 0.3 10.1 0.4 16 16.6 9.6 19.6 10.3 20.9 6.7 19.0 8.9 20 42.9 27.5 27.0 32.5 20 14.1 13.4 8.9 12.1
20 13.7 0.6 13.1 0.7 12.0 0.7 12.9 0.6 20 25.9 8.0 21.8 9.3 25.2 6.5 24.3 7.9 mean 28.5 21.2 24.0 24.6 mean 11.6 10.2 7.8 9.9
mean 8.9 0.4   8.3 0.6   8.2 0.6   8.5 0.5 mean 17.1 9.4   16.3 11.1   17.3 7.0   16.9 9.2                    
        Interaction seeding rate X herbicide - NS   Interaction seeding rate X herbicide - NS  
Interaction seeding rate X herbicide - NS   Interaction seeding rate X herbicide - NS   CV = 32.8%   CV = 20.2%  
Alfalfa CV = 25.4%   Alfalfa CV = 18.7%   5% LSD for comparing   5% LSD for comparing  
Weed CV = 71.0%   Weed CV = 44.5%   herbicide means: 5.79   herbicide means: 1.43  
        seeding rate means: 6.69   seeding rate means: 1.65  
5% LSD for comparing   5% LSD for comparing          
alfalfa herbicide means: 1.54ns   alfalfa herbicide means: 2.27ns   Design: Split plot w/ herbicides as main plots Design: Split plot w/ herbicides as main plots
weed herbicide means: 0.28ns   weed herbicide means: 2.94   Method: 3, 1' X 1' quadrates (plants dug & counted) Method: 3, 1' X 1' quadrates (plants dug & counted)
        Plot size:  5' X 30' planted   Plot size:  5' X 30' planted  
alfalfa seeding rate means: 1.78   alfalfa seeding rate means: 2.62     1m X 5m harvested     1m X 5m harvested  
weed seeding rate means: 0.32ns   weed seeding rate means: 3.39ns   No. of Reps: 4   No. of Reps: 4  
        Exp No. 681   Exp No. 681  
Design: Split plot w/ herbicides as main plots Design: Split plot w/ herbicides as main plots Date planted: 4/5/06   Date planted: 4/5/06  
Method: 3, 1' X 1' quadrates Method: 3, 1' X 1' quadrates Note:   Herbicides Applied 5/18/2006 Note:   Herbicides Applied 5/18/2006
Plot size:  5' X 30' planted   Plot size:  5' X 30' planted     Roundup 22 oz/acre w/ 25 gal/acre   Roundup 22 oz/acre w/ 25 gal/acre
  1m X 5m harvested     1m X 5m harvested     Beyond 5 oz/acre product w/25 gal/acre   Beyond 5 oz/acre product w/25 gal/acre
No. of Reps: 4   No. of Reps: 4  
Exp No. 651   Exp No. 651  
Date planted: 4/5/06   Date planted: 4/5/06  
Note:  No herbicide applied by this date. Note:  No herbicide applied by this date.