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We had difficulty analyzing data from the Sikeston trial and one variety had to be eliminated from the trial. Several plots had to be discarded, however, the following table gives the mean of each variety.
Lint Lint Fiber Properties
Yield Percent Mic. Len. Str. Unif. Trash
Variety (lb/A) (%) (in.) (g/tex) (%) (%)
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Paymaster 1220 BG/RR 1144 53 4.5 1.09 26.20 82 3
Sure-Grow X 890 1056 40 4.4 1.12 26.80 81 3
Deltapine X 9758 1044 36 4.3 1.03 27.20 79 5
Stoneville 47 BXN 1039 39 4.4 1.11 27.80 84 6
Sure-Grow 747 994 36 4.7 1.08 25.65 81 3
Paymaster 1218 BG/RR 939 40 4.7 1.08 26.65 82 3
Paymaster 1440 931 37 4.6 1.10 25.85 82 4
PSC 952 926 37 4.1 1.08 27.87 81 7
Stoneville 474 904 39 4.7 1.10 28.53 83 6
Sure-Grow 125 889 35 4.4 1.11 25.35 82 4
Fiber Max 819 889 38 4.2 1.15 28.37 83 6
AgriPro AP 7115 885 35 4.1 1.09 25.53 81 8
Fiber Max 832 844 35 3.6 1.14 28.37 82 5
Deltapine 5409 844 34 4.2 1.12 25.77 83 3
PSC 636 828 35 4.3 1.09 27.50 81 5
PSC 355 828 35 4.4 1.16 28.65 85 7
Fiber Max 963 800 38 4.2 1.06 27.37 82 3
Deltapine 20 B 796 38 4.1 1.06 25.67 81 3
Deltapine 428 B 794 35 4.5 1.10 24.45 84 4
Paymaster 1215 BG 783 35 4.2 1.12 28.15 82 5
Paymaster 1220 RR 781 36 4.3 1.10 28.23 84 3
Paymaster 1560 BG 781 35 4.6 1.08 26.58 82 4
PSC 556 775 35 3.9 1.12 28.13 81 5
Terra 366 770 35 4.5 1.08 25.03 81 4
Paymaster 1242 RR 769 37 4.1 1.08 28.15 83 5
TX 224 750 35 4.2 1.07 25.85 81 4
Paymaster 1330 BG 750 35 4.2 1.13 28.68 83 7
AgriPro AP 6102 748 32 4.2 1.13 30.57 83 9
Paymaster 1210 744 39 4.6 1.09 26.20 83 5
TX 300 742 36 3.9 1.09 27.60 81 6
Paymaster X 9307-0755 741 36 3.8 1.13 27.10 83 6
PSC 569 733 37 4.6 1.09 29.05 83 4
Terra 292 730 33 4.3 1.10 25.43 82 4
Deltapine 50 B 728 32 4.4 1.12 26.50 84 3
Deltapine 425 RR 722 37 4.6 1.07 26.20 82 6
Paymaster 1266 696 34 3.9 1.12 25.87 82 6
Deltapine 5111 679 32 4.7 1.12 29.00 86 5
AgriPro AP 6101 678 34 4.3 1.12 28.55 83 3
TX 121 672 33 4.2 1.09 29.05 80 5
Seed Source 9801 667 36 4.5 1.17 29.90 86 7
Stoneville 373 656 35 4.1 1.12 25.58 82 4
Deltapine 51 652 31 4.1 1.09 26.17 83 4
Deltapine 436 RR 650 34 4.5 1.08 26.55 81 3
Sure-Grow 501 639 35 4.3 1.11 28.85 84 5
Deltapine 32 B 633 35 4.4 1.07 26.50 82 3
Stoneville 4740 BG 622 39 5.0 1.12 30.00 83 3
Fiber Max 989 622 35 4.0 1.12 29.55 84 7
Dyna-Gro 201 622 39 4.0 1.05 27.20 81 4
Americot 2314 600 34 4.2 1.06 26.35 81 3
TX 141 586 35 3.6 1.08 26.95 81 4
Bobby Phipps We have several area producers that are willing to allow us to conduct yield trials on their farms. New varieties can be tested on other soil types than the Delta Center and under different styles of farming. Results are from ones own neighborhood. When you see these producers please thank them for allowing the test and field days to be conducted on their individual farms. The variety test cooperators are Scott Andrews of Senath, Chuck Provance of Clarkton, and Johnny Hux of Sikeston. We are so thankful to have such good cooperators. David Dunn The pH is a measure of how much acid a soil contains. Soil pH is the most important parameter that a lab can test. If the pH is not right all other fertilizers will not work right. The total pH of a soil can be broken down into two parts. The contribution of the soil moisture portion of pH is known as the active acidity. This is the pH that is measured in the lab and reported as the pH. The second part of the total pH is the reserve acidity. It represents the acidity held by the solid portions of the soil. The reserve acidity is generally much greater than the active acidity. In the lab a chemical know as buffer is added to the soil to determine the reserve acidity of the soil. This is known as the buffer pH of the soil. When making a liming recommendation both active and reserve acidity must be considered. The pH is considered along with the buffer pH to arrive at a lime recommendation. The optimum pH range for cotton is 6.0 to 6.5. Current University of Missouri recommendations give liming values that will with time get the soil to this range. One thing that producers can do in the field to diagnose pH problems is to use a hand held pH meter to measure soil pH. Your county extension agent has one of these meters and will be happy to help you. A pH reading in the field will tell you if you have a problem. To get a lime recommendation you will need to have a soil testing lab determine the buffer pH. As a service to our customers the Delta Regional Soils Testing Lab is now selling hand held pH meters. We are offering the Shindengen pH PRO for $132.00. This is a reliable and rugged model that is simple to use. If you are interested in purchasing one of these meters contact the Delta Regional Soils Testing Lab at (573) 379-5431 or ask your county extension agent.
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