NEWARK, Del. - Many far mers are ordering next year's hybrid corn seed now. In making their selections, University ot Delaware Extension agronomist William H. Mitchell suggests they consider the results ot the latest corn trials at the University’s Newark and Georgetown tarms. In 1981, emphasis was placed on the response ot hybrids to planter (Continued from Page At) Swine Sale all three years of the Expo ' Two open dates for such sales this coming spring include mid- March and late April. The latter date though would put any such events well into the spring planting season. Representatives of both groups this week spoke of the possibility of *)holding sales at the same time, if mutually agreeable dates can be achieved. Already, another past Expo livestock participant, the Penn sylvania Draft Horse and Mule Association, has scheduled a separate date. The Association will hold its sale PLANT FOR BIGGER yields wrm micro am. MIGRO HP-470 Top yields. Fast drydown. This mid-season single cross represents a yield breakthrough. It offers excellent emergence, strong stalks and a good root system for a healthy jump on yields. And its fast drydown helps you roll in those big yields early ... without high drying costs or moisture discounts. In its maturity, HP-470 is perhaps the best yielding hybrid available anywhere. Call today and get your seed on order. SMOKETOWN. PA PH: 717-299-2571 Corn hybrids respond differently to planter fertilizer fertilizer. Some of the results wei e quite promisuig. "Response to starter terliluei, 10-34-0, was especially striking early in the season and most noticeable at Newark," he reports. This was unexpected since plan ting was delayed until mid-May, at which time soil temperatures were relatively high. "Soil tests showed very high phosphorus levels at Expo canceled on February 17. No show is planned this year. The Pennsylvania Tractor Pullers Association was another past participant. The Pullers are also considering competition in the spring for the more farm-type tractors, but no date has been set. The cancellation of the Farm Equipment Expo came as-no real surprise to many. The future of the event has been in doubt since its initial effort and last March's version drove the final nail in the cdffin. In 1979, the first Expo had 188 exhibitors. In its second year, exhibitor attendance slipped only a little to 177. But this past March, the number of exhibitors fell drastically to 128 - both locations, which again made the response to planter teitili/er surprising, Mitchell says. Starter fertilizer mci eased the gram yield ot 100-day com hybrids ot ll.b bushels at Ueoigelown in corn planted May 14, the only variable being 10 gallons per acre ot 10-34-0 placed on the soil surtace about one inch from the corn row at planting. Treated corn averaged - down nearly one-third from the previous two events. In addition to the closeness to Farm Show and the current state of the economy, the Equipment Expo was launched during a dif ferent administration. ROPE IN SOME EXTRA CASH! Advertise With A Lancaster Farming CLASSIFIED AD... Phone: 717-394-3047 or 717-626-1164 Purchase Model 78 Vacuum Supplier complete with motor—receive $lOO rebate and a FREE Servo Vacuum Controller System. TIME'S RUNNING OUT - THIS OFFER EXPIRES NOVEMBER 30, 1981 Come in today and order your 78 Vacuum Supplier We’ll tell you how to receive a rebate of $lOO and a free Servo Vacuum Controller—total retail value of $270 —SERVICE WHEN YOU NEED ll ■ Trained Installation and Service Personnel ■ Planning Service ■ Competitive Price ■ Hundreds of Satisfied Users ■ Route Truck to Supply Your Needs J.B. ZIMMERMAN & SONS West of Blue Ball, PA on Rt. 23 PH: 717-354-4955 Ask for Ralph Stoltzfus RADIO DISPATCHED TRUCKS bmcartf Fanning, Saturday, Wovembtr 21,1981—A31 11/.2 bushels computed to low bushels for the untreated conli 01. though short-season hybrids were most responsive to planter fertilizer, significant yield in creases were tound with all maturity groups. However, some hybrids appear to benefit more than others from use of planter fertilizer, says the agronomist. "The evidence is not strong "enough to justify fertilizer recommendations tailored to a given hybrid,” he says. "But there is a strong suggestion that in our tests for 1981, planter fertilizer was a money maker with some hybrids and not for others." The following comparisons illustrate this point: Planter Pert. buM 149 3 15b.4 144.5 128.3 123.9 DeKalbEi72/I Cargill 969 So. States 73V Pioneer 3382 Jaques JXIB7A CECIL DAIRY SERVICE RD 1, Rt. 274 Vz Mile South of Rising Sun, Md. 21911 PH: 301-658-6923 In a tew cases, Mitchell says, there appeared to be a yield reduction associated with planter fertilizer. Since fertilizer advanced the silking date, it's possible that this may have caused pollination of certain hybrids to' coincide with stress conditions. In other cases, advancing the silking date of corn may have allowed some hybrids to escape heat and moisture stresses during this critical period. A total of 119 commercial hybrids were tested, representing three maturity groups—lUo-, inl and 120-days. All were planted within the same two-day period, at both the Newark and Georgetown locations’. NoFert. bu/A 100.3 122. b 118.8 125.5 125.7 mmmr Iriks Mrs End O’Rat Co. Rd 1 Box 668 New Holland, PA 17557 717-354-2340 rSh? I^omfort! Rsd Wing Pecos j pull ons feel fully as good as thoy look We have the style you size you need in stock' ■ Stop In I .1155 I Abu'er earned I ynur Wiors' ’WaST 5 RedlVingj BOOKS SHOE SERVICE 107 E STATE ST QUARRYVILLE PA 17566 717-786-2795 CLOSED WEDNESDAYS UUf. bu/A 48.0 38.8 25.7 2.8 -1.8
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