DEKALB, IL. Proper evaluation of crop performance becomes more crucial each year as profit margins narrow. Far mers need to be more concerned with differences in hybrids and varieties as well as crop response to cutbacks in fertilizer, her bicides, tillage and irrigation or other changes in normal farming practices. Ron Christensen, Regional Agronomist for DEKALB-PFIZER GENETICS says even though fall and harvest time can be busy, this is the only time such evaluation can occur. “First, determine which characteristics need evaluation,” he advises. “Items should include the most important factors to your operation. Write them down. After studying the list, pick out the characteristics which can be evaluated before harvest.” These preharvest items might BUCKETS & FORKS For Skid Steer Loaders NOW AVAILABLE FOR MOST MAKES AND MODELS • FORKS 40” to 72” Standard, 8” Increments Speck! 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High Pressure Washing And Disinfecting Poultry Houses, Veal Pens, Hog Units And Daily Barns include ear droppage or pod shattering, final population, lodging, ear or plant height. Measurements to be made at harvest will generally include the weight and acreage harvested, moisture and test weight. “Second, decide where the evaluations will be taken,” says the agronomist. “Your evaluation will be more accurate if you take observations in several locations that are as agronomically uniform as possible. A good comparison can hardly be made if the date of planting, fertility, population, or weed and insect pressure are not similiar.” Variations in uncontrollable factors such as soil type and elevation can be minimized by making measurements at side-by side locations Christensen adds. Comparisons of opposite sides of the field are seldom reliable unless Built To Order • BUCKETS Various Shapes And Widths According To Order Beveled One Side, New Holland, PA 17557 Evaluate crops at harvest of controlled or constant treatment is used as a check. The next consideration is how to take the measurements. “There is no substitute for good equipment run with proper techniques,” notes the DEKALB-PFIZER agronomist. “Merely glancing at the amount harvested in the combine tank can be very deceiving. Small changes in moisture or test weight can render these results useless.” Errors resulting from different methods of filling a test weight bucket or a moisture tester cell are minimized by doing each operation identically every time. The same person should take the measurements throughout the test advises Christensen. 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DON'T DEL A Y - CALL TOD A Y FARM & COMMERCIAL BUILDING^ RD 4, EPHRATA, PA 17522 Located In Farmersville PHONE (717) 354-4271 Weight can be measured with permanent or portable scales, but care needs to be taken that the weight harvested is the only variable cautions the DEKALB PFIZER agronomist. “For example, whether the driver stays on or off the vehicle becomes very significant with small truck loads. Also scales should be carefully set to zero before each weight is made. Moisture testers operate under a OR A NEW BUILDING? AGRI-INC. AERATION fairly wide range of conditions. However, knowing the limitations of the tester by consulting the owner’s manual is essential.” The last consideration is overall information evaluation. “You can do that this winter if you have reliable harvest data,” says Christensen. “If you are satisfied with the results, improvements can be confidently made in next year’s management.” w> Far Man /itfarmatian £ Dana, Call: GEORGE HEATH 472 Woodcrest Dr., Mechanicsburg, PA 17055 (717) 737-0002 TOLL FREE: 1-800-437-5200 Ask For Operator 104 EVMD: 1-800-638-8890 Ask For Operator 104 'i 1 REYNOLDS ROOFING t SIDING
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