ATLANTA, Ga.— Potash and ously growing plant Plants just plant nutrients in harvested crops nos, plant life and animal life have mcricial fertilizer is not “natural" Phosphate Institute agronomists require the presence of the essen- then could be replaced by organic . continually displaced and relo- and thus “bad” have no scientific agree - nitrogen is nitrogen, no tial nutrients in an adequate, conti- and native mineral sources. With- cated nutrients and nutrient- basis. Processing and utilization matter what die form . nuous, and balanced amount to out supplementing these sources, bearing material!. Fcrtlizcr phos- of deposits of phosphorus and From a plant’s standpoint, there ssure good growth and reproduc- crop production could not have phorus and potassium, for exam- potassium represent the ultimate is no difference among the various don. Essential nutrients can come kept pace with world demand, pie, come from deposits which in recycling...recycling of nulri plant nutrient sources. That’s front organic materials such as Today, the worldwide commercial originated in oceans or seas over ents back to the soil from which because plants don’t use nutrients tniimal manure, crop residues, or fertilizer demand expands as the several geologic periods when they were orginally released by in their oiginal form. All nutrients cover crops; from gaseous, solid, challenges to feed an ever- conditions favored the formation weathering. The fertilizer industry first must be disassociated from or fluid commercial fertilizer, or increasing population continue. of nutrient-bearing materials. And uses manufacturing processes to their original source and bans- from native nutrient-bearing min- The nutrients contained in com- as for nitrogen, approximately 80 increase the purity and availability formed into an ionic form before era^s > n A l ® s °d- . mercial fertilizers sue not imita- percent of the Earth’s atmosphere of nutrients by seperating the nu they can be taken up by plant _ The commerical fertilizer tions of nutrients in nature. The is gaseous nitrogen...the same nit- triers from unwanted materials, roots. industry developed because the total amounts of the 16 essential rogen used to manufacture fertiliz- For more information, contact So the original source, whether food* feed, and fiber needs of a nutrients are the same as when the cr as well as that fixed by Dr. W.K. Griffith, eastern direc it is organic or inorganic, has no growing world population earth was created. Through the legumes. tor, PPI, 865 Seneca Rd., Great relationship to a healthy, vigor- removed more of the essential ages, wind, rain, glaciers, volca- Concerns by some that com- Falls, VA 22066, (703)450-4835. COMING AUGUST 15th LANCASTER FARMING ISSUE Featuring 1992 AG PROGRESS DAYS To Be Held Aug. 18, 19, 20 at Rock Springs Research Farms Near State College, Pa. We’ll have the information our readers will need to make their visit to the 1992 AG PROG RESS DAYS more enjoyable maps, lists of exhibitors, sche dules of events and related stories. Over 48,000 Dollars Wisely In This Special PUT YOUR MESSAGE TO WORK IN THE AUGUST 15th ISSUE OF LANCASTER FARMING! Normal advertising rates apply...deadline is Friday, August 7. Call (717) 626-1164 or (717) 394-3047 to reserve your advertising space! Are Plant Nutrient Sources Really Different? Paid Subscribers. Invest Your By Reserving Your Space Now Issue. Lancaster Farmtog, Saturday, June 27,1112421
Significant historical Pennsylvania newspapers