Show I I Commercial Fertilizer Increases Yields II Applying commercial fertiliser I gives given increased yields lower petI per pet unit production costs and more I crop residue to turn back to the I soil soU reminds Dr Paul C. C Christ Christ- ensen extension Soil loll oU conserve conserva I at Utah State Agricultural i College I When plant foods are needed crops crops will wUl make more efficient I I use of or water it if fertilizer fertiliser is fa applied ap plied Dr Christensen says experiments meats ments in Utah have demonstrated that fertilizer may double yields of corn without increasing water Tests Teats with alfalfa in Utah have shown that adding phosphate fertilizer to phosphate- phosphate deficient soils BOUS can greatly in increase crease crease yields with no increase in fn water applied applied- i Misconceptions about fertilizer often hinder Its use Some have assumed that fertilizer fertiliser Is fa poisonous poison polson ous to organisms in the soil But Dut it isn't In many cases bacteria and other organisms actually Increase increase in In- crease with the use of fertilizer The layer volume of crop residues produced as a result of ot fertilization lion tion provides Increased food Organisms Or Or- Organisms greatly multiply while decomposing the material Dr Christensen says Plants grown in fertilized soU soli are often orten more mare nutritious than those grown without fertilizer Some reproductive Uve problems with farm fann animals have been corrected by the application of super phate to hay and pasture land But Dut you dont don't need nitrogen fertilizer on crops which immediately immediately immedi immedi- follow follow several I veral years ears of alfalfa alfalfa al al- falfa or nitrogen fertilizer onland on onland onland land where you apply high quality barnyard manure l Phosphate fertilizer fertilizer fer fer- will give yield increases with alfalfa clovers and aDd vegetable vegetable vegetable vege vege- table crops But Dut you dont don't need Deed to apply it every year Apply ripply 80 SO to pounds of available phosphate once every two or three years lears A soil soli test teat will help you determine when you need phosphate For vegetables corn and small emall grain crops apply barnyard manure or 35 SS to pounds of available nitrogen fertilizer fer ter each year fear unless these crops crop follow alfalfa the specialist says sarlo Experiments in Utah indicate that the nitrogen in to one fertilizer W is approximately a as effect as In other fertilizers Du Buy your our fen fer fertilizer zer on the basis bula of cost COlt per pounds pound of available nitrogen The same ame holds true for tor phosphate fertilizer fertilizers Dr Christensen adds add |