Learn about bacteria UNIVERSITY PARK Bac- foods - Canning, refrigerating, teria are both helpful and harmful, freezing, and pasteurizing are Cheese, sauerkraut, alcohol, and ne u to reduce bacterial action penicillin are some of the good which causes spoilage, products; however, some bacteria P r f sent many kinds o grow within or on animals and bacteriology, soil, dairy, medical, plants, causing diseases. industrial and plant pathology, Tuberculosis and typhoid fever Pe " n State offers a newly revised among humans, brucellosis in and rewritten correspondence cattle, cholera in hogs, wilts, leaf course on microbiology, spots, and blights of plants are „ Sod su ! ed results of bacterial activity. hous ,f, ™ lhons of n J s to ° Bacteria are always a threat in smaU to 1)6 seen wlth unaided eyes ‘ Two ways to solve your fly control problem. s . THE ORIGINAL ( NEW FOR 1981 Hoffman’s ( J Hoffman’s Fly Spray i (yellow label) a. yk a mflmfm (white label) .044% W .030% Pyrethrum w Pyrethrum Suggested Suggested Retail Retail Price Price $24.95 $35.95 JUS* m SERVING THE FARM COMMUNITY SINCE 1884 CO., INC. Phone (215) 432-4466 p> Every ounce of fertile soil nor mally contains millions of living organisms, such as bacteria. Bacteria are among the living forms active in building and maintaining soil fertility Gard ners know that adding lime and organic matter increases bacteria population, benefittmg plants by human formation and “fixing” of nitrogen. Fixing of nitrogen is the conversion from gaseous to nitrate or other solid forms usable by plants in protein production Anyone may get a copy of the course by sending $6.50, plus $1 handling, to MICROBIOLOGY, Box 5000, University Park, PA, THINKING OF * ||| | | BUILDING? | READ LANCASTER FARMING'S J | ADVERTISING TO FIND ALL I | YOUR NEEDS! J Full-width conditioning rolls in the Model 474 Haybme® mower-conditioner are located in the mam frame, not in the header. The lighter header responds quicker to ground contours and greatly reduces knife and guard damage. Come in and let us demonstrate this deluxe machine for you. ****? NEW 474 HAYBINES Llst Price $6896 $ C OAA WHILE YOU BUY NOW: WWW THEY LAST No Finance Charge Till OCTOBER 1, 1981 .—GOOD RECONDITIONED USED EQUIPMENT • N.H. SP 1469. Ford engine, • N.H. L-35 Loader priced to sell • N.H. 36 Crop Chopper • N.H. 890 Harvester w/ • New Idea Cut-Ditioner 2 row narrow YOUR AUTHORIZED DEALER Lancaster Farming, Saturday, May 16,1981—A19 16802. Make check payable to Penn State. WILEY & SON INC. 101 S. LIME ST. QUARRYVILLE, PA 17566 PH: 717-786-2895