LANCASTER Farmers spraying alfalfa for potato leafhopper control can protect their crop from spray ng compaction by applying a long-residual insecticide to the stubble after each cutting. Most insecticides labeled for leafhopper control must be applied when alfalfa is two to four mches high. This Valumaticlll silage distributor—unloader Get capacity Another reason why all ring-drive silo unloaders are not alike; Independent power-ring drive, with separate Vz hp motor, powers the Volumatic HE silage distributor-unloader around the silo. Frees the auger/impeller motor to put its full power into big-volume unloading. Provides positive rack and pinion traction. Features slip-clutch protection. See us for systems and service that help make the good life better. AGRI-EQUIP. RD4, Farmersville, Ephrata, PA 717-354-4271 I. G. SALES Rt 113, Box 200 Silverdale, PA 215-257-5135 G. HIRAM BUCHMAN, INC. Rte 519-N off Rte. 46 PO Box 185 Belvidere, NJ 07823 ERB& HENRY EQUIP., INC. TAM SYSTEMS CORP. DETWILER SILO REPAIR 22-26 Henry Avenue RDI, Mountain Rd Rt 2, Newville, PA New Berlmville, PA Dillsburg, PA 17019 717-776-7533 215-367-2169 717-432-9738 often presents a problem for the farmer because running a spray rig over the regrowth can damage a stand permanently. In addition, alfalfa growers generally like to tank mix liquid fertilizer with a leafhopper insecticide for greater application ef ficiency. Liquid fertilizer can bum back alfalfa if m, JAMESWAY 8 mi Stubble applied chemicals prevent crop compaction applied when the crop is a few mches high. To solve the dilemma, farmers can use an in secticide with a long residual activity which permits stubble applications. Tnthion, for instance, is said to be compatible with liquid fertilizer. Entomologists at Penn State University have not DEPENDABLE MOTORS ROVENDALE SUPPLY Honey Brook, PA rd 2, Watsontown, PA 17777 215-273-3131 717-538-5521 215-273-3737 HENRY S. LAPP SOLLENBERGER SILOS RDI, Cams, Gap, PA 17527 RFD 2, Chambersburg. PA 717-442-8134 717-264-9588 HARRY L. TROOP Rt 1 Cochranville, PA 19330 215-593-6731 performed conclusive field trials with Tnthion to date because the leafhopper infestation was unusually light last year. However, Willard Chemical Company, a custom application outfit based in Frederick, Md., has used Tnthion extensively on Pennsylvania alfalfa acreage with success. J. A. SWOPE Box 121, RDI Myerstown, PA 717-933-4758 Lancaster Farming, Saturday, luly 5,1980—C33 The company said it treated over 1000 acres of alfalfa in 1978, when leafhopper pressure was Larry Martin, pest control consultant for Willard Chemical Company sweeps fields for leafhoppers. If populations are beyond the economic threshold, he will apply a tank mix of insecticide and liquid fertilizer to the crop stubble after harvest. heavy, with a Tnthion-hquid fertilizer tank mix. “By applying the Tntluon (Turn to Page C 34)
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