16—Lancaster Farming, Saturday, March 4, 1967 PLAN AHEAD! Call us now and insure prompt service this Spring Get the MOST for your DOLLAR from DRY NITROGEN Materials TOP DRESS EARLY FOR MAXIMUM YIELD WHEAT 45 lbs. I BARLEY -30 lbs. |~ N “ pcr acre PASTURES 100 lbs Nit. per acre Call Us Now Phone 392-4963 ORGANIC PLANT FOOD CO. Grofftown Road, Near Waterworks Lancaster Pick a John Deere 38 h.p. 1020 to beef up tillage power, ge A cultivating tractor high on clearance, low on fuel consumption Handling up to 3 plow bottoms smartly, a ‘'1020" packs all the tillage power needed on smaller acre ages .. . and it’s just the power needed to backstop higher h,p. tractors on big spreads. But the “1020" is no “spendthrift” with its power on lighter work. Throttled backfor economy, the engine runs smoothly —moving along effortlessly with a 2- or 4-row cultiva tor. And under the tractor there’s lay-by clearance up to 24 inches. Let’s arrange a field test of the “1020's” full range of usable power on your farm soon. Credit available. Landis Bros. Inc. Lancaster 393-3906 Wenger Implement- Co. Buck BU 4-4467 Alan Beyer Christiana LY 3-5687 M. S. Yearsley & Sons A. B. C. Groff, Inc. West Chester 609-2990 New Holland 354-8001 Shotzberger's Elm 665-2141 Livestock Specialist Tells Swme Producers How To Boost Profits A swine producer with 1400 lion as well as cross breeding, feeders a year can Increase If the heritablllty estimate his yearly farm income by ap- is high, which is true for cai proximtely $4OOO through gene- cass quality, a substantial lm tic improvements in litter size, provement is possible through growth rate and carcass quail- better methods of selecting le , ty. according to Dr. George placement animals. Morrow, extension livestock If commercial producers specialist at the University of are going to use cross breed- Delaware ing in producing hogs, its Large litters, high growth necessary that they use high rate and good carcass quality standards when they choose of swine play an important the breed and when they sc lole in profits from swine Icct individuals within the breeding and feeding opera- breed. Boar selection is pac tions. William Henderson, Sus- ticularly important because sex county agricultural agent; a boar will be mated to 30 Roy Porter, Worcester, Md, gilts during the breeding agricultural agent; and James season. Therefore, he is 30 Ferguson, livestock extension times as valuable genetically agent at the University of as the average of the 30 gilts Maryland, stressed this econo- in the herd, mic importance at the first of Genetic improvements in the three swine management meet- herd are permanent and rela ings held recently in George- lively inexpensive, as compared town. to improvements in manage- According to Morrow, swine nient. However, genetic im produeers can increase their provements must be carried profit through genetic improve- out in a systematic fashion, ments without an increase in through the use of good re the cost of producing the hogs cords, Morrow stressed. He said the hentabihty esti- 1 mate dictates the type of TREES PROVIDE breeding program a swine pro- BEAUTY & SHADE ducer should use for herd im provement The heritabihty Tress lend an 'eGtiabi'ished estimate is the difference, due appearance to jour property to heredity, in litter size, Amoing the tuiees already