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Lethbridge Herald Newspaper Archives

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Lethbridge Herald, The (Newspaper) - August 20, 1974, Lethbridge, Alberta Tuesday, August 20, 1974 THE LETHBRIDGE HERALD 5 Research Station report Nitrogen best rangeland fertilizer By ALEX JOHNSTON Range Ecologist The vegetation of native range consists of a complex mixture of grasses, forbs and shrubs. Because the grasses and forbs cure on the stem, native range can be managed for grazing at any time of the year. Can its production be increased with the use of fertilizer? In Western Canada, the application of fertilizer to rangelands is not generally recommended, but there may be certain situations where the practice may be useful. The best response of range to fertilizers is obtained from nitrogen. Slightly increased yield may be obtained by adding phosphorus. In Southern Alberta, no response has been noted from applications of potassium. Range fertilization increases forage production because growth starts earlier in the spring and continues later into the autumn. The protein and phosphorus contents of forage increase as do digestibility and palatability Species composition can be manipulated by using high rates of nitrogen fertilizer and soil water may be used more effectively. On balance, we believe that the disadvantages outweigh the advantages. We do not recommend range fertilization as a general practice at the present time. Economic returns are questionable, even in the moister black soil zone. Undesirable species may benefit and undesirable ecological changes may occur. Because of increased palatability, fertilization may cause localized overgrazing and it may increase palatability and quantity of poisonous plants. Fertilization can lead to nitrate poisoning, Farm market REG1NA (CP) An experimental farmers' market is scheduled to start operations at the exhibition grounds Aug. 24, Agriculture Minister Jack Messer said this week. Mr. Messer, in a news release, said the project will operate four Saturdays in a row and will allow direct contact between farmers selling small volumes of produce, such as fruits and vegetables, and consumers wishing to obtain such produce fresh from the farms. especially if heavy rates of application are used. Finally, fertilization may complicate grazing management. Native range fertilization has been most successful where relatively pure stands of native grasses exist. Where the range consists of a mixture of grasses, forbs, and shrubs, 30 per cent or more of the fertilizer may be taken up by unpalatable forbs and shrubs and will not be recovered. If fertilizers are used on rangeland, only completely fenced units should be fertilized. Fertilizers make range vegetation more palatable and livestock may graze selectively and may overgraze the fertilized portion of the range. And because of increased palatability, fertilization may be used to distribute livestock more evenly over the range. This is done by fertilizing portions of the range where livestock do not normally graze. USE OUR Corner 3rd Ave. 8th St. S. Phone 327-8548 CREDIT PLAN OR. EVERY ONE GUARANTEED IN WRITING Install New Lmmys Repack Front Outer Wheel Be.umtjs Inspect Wheel Cylinders Inspect Master Cylinder Inspect From Grease Seals Inspect Brake Hardware Inspect Brake Hoses Inspect Brake Drums LuhriLalc ami Clean Brake Backing Plates Check Brake Lujhis Install New Lininqs Repack Front Oult r Arc Lininys It) Drums Result ispoc Wheel Cylinders Master Front Grease Seals Brake HaidwarC Birfke Hoses Lubnc U1 and Clean Brake Backing Plates Check Brake. Lights Install Npw Limmji. Repack Fiont Oul'T Wheel Beaniujs Arc Linings to Drums Resurface Drums Install New Wheel Cylinders Install New Front Grease. Sr-als Install New Rniurn Springs Inspect Master Cylinder Inspect Brake Hoset. Lubricate and Cle.m Brake Backing Plates Chock Brake Lights Install From Disr Pads Install Rear Brake Lmmcjs Repack FIQTI! Outer Wheel Bearings spfci Druni'j and Rotors spc( t Calipers sper l Wheel Cylinders spot I M.tstrr Cylinde' spe ;