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whithy Fm ieu rs,WeçIesday1 APri 44,;,193mPagoq i A HOME DESIGN AND IMPROVEMENT FEATURE A new Iawn fertilizer for the nineties By Art C. Drysdale The, first, newly-formnulated, granular fertilizer of the nineties that's been designed to meet the present-day needs of turf, as well j as those who have to look after it, has just been introduced. The fertilizer is from Green Cross and it's called PRF Supergreen. The PRE stands for :1 prolonged (or progranimed) release fertilizer. Up until now, the better turf fertilizers have generally had only two sources for their ni trogen (the element that accounts for the greening of foliage). One source was an By Margot MeTavish Hi-ring a qualified professional interior designer inevitably saves time and money, even with the fees. Most people have done some decorating on their own. However, a designer brings a wealth of expertise gained from planning many homes. Ongoing problem-solving and a trained eye bring creative approaches to questions that may neyer have been considered. Designers can provide repûtable contractors, such as paiqters and carpenters. ~vany can assist in the design Of a addition, as well as choosing the lew wallpaper and sofa. Iaving worked with many maxiufacturers, they are familiar with current products on the almost-instant release-type, and the other was designed for long-term release. Some products have depended on organic sources such as milorganite, others on synthetic organic products such as ureaformnaldehyde, while still others used a special mechanical coating that allowed graduaI release of the nitrogen. An example of the latter is SOU -- one of the most popular forms of long-lasting nitrogen in the ]ast decade.' Now, after three years of research and product development, that included 24 market and can inform you of any potentiel problems. Keep in mmnd their clients do give them feedback se they have proven what works. Because designers have a number of sources, hours of shoping and legwork can be savedi. Most important, a designer gives you a focus. You may wish to decorate your entire home, but your current budget won't allow such an expenditure. The designer can ensure the money you spend gives the maximum results. L.ong-term goals can be established se yvou know what your next purchase should be, and you will have a guide to keep you on track. If you have questions, write to Bcnisters, ch Mkargot McTavish, P.O. Box 118, Ajax, Ont. LIN 3C2. test trials all across Canada, the new product is available. PRF Supergreen, in addition to one source of fast-acting or instant nitrogen, has no less than four difl'erent sources of long-lasting nitrogen. The main aim in developing thiis new fertilizer was te produce a lush, Iong-lasting green lawn, but without any surge of growth in the few weeks after it is applied -- the typical happening with virtually alI previous lawn fertilizers. Here's a summary of what happons with the four slow-release nitrogen sources: 0microbial activity in the soul wiIl release 75 per cent of the organiformn/vitorganic (8 per cent of total nitrogen) within 20 weeks. In that samne period, 95 per cent of the nutralene (20 per cent of total nitrogen) is released by a combination of hydrolysis and microbial activity. 0 then there are two forms of coated urea. In a 10-week period, 100 per cent of the polymer- coated urea (27 per cent of total nitrogen) is released when soil temperatures are warm; and 95 per cent of the sulphur-coated urea (20 per cent -of total nitrogen) is released by the coating cracking in combination with hydrolysis in that same period. e in addition te these four types of long-lasting nitrogen, 25 per cent of the nitrogen is from urea that is ail released in the soil by hydrolysis in the first three weeks. This low percentage of fast-acting nitrogen is one of the lowest in the industry. Some very popular competitive products have as much as 65 or 70 per cent of the nittrogen available in the -fast-acting formi and, thus, these producta wilI encourage much more surge growth after they are applied. An additional ingredient that we may soon see prominently listed on fertilizer bags is iron. Only a few turf fertilizers now have any significant amount of iron in their formulations. The benefits of just a small amount of iron are faster and longer-lasting greening, with far lees nitrogen. And iron does not cause any surge growth. Thus, homeowners get a faster, longer-lasting greening effect, with no additional need for water or additional cutting. StilI another benefit of the addition of iron, and thus less dependency on nitrogen, is far less leaching of nitrogen into groundwater and water courses. In answer to some consumer questions, this new PRF Supergreen has no filler added, and the directions on the uniquely-designed bag are clear and concise. The fertilizer bag itself is a major part of the new produet. It is a bright yellow and, unlike virtuaily ail other competitive products, it does not have a photograph of a lush lawn. Rather, the bilingual printirig and instructions are in large type and are orientated horizontally instead of vertically as are al other bags of which I can now think. The chart on the bag lists four application times and gives directions for applying the fertilizer, but the directions stress, "Normally two applications per year are required. However, this will also depend on the fertility level and general state of the lawn, as well as the desired level of turf quality." LIMFUED 11ME OFFER Cash Discounts & Rebates SAMPLE RSD2200 MODEL REFRIGERATOR Less Domestic's Discount $1 90.00 j- Less Ontario Hydro Rebate $50.00 <Exp. Apr. 30) TOTAL SAVINGS - $240.00 LO0K AT THESE OTHER GREAT OFFERS MAYI'AGAnother ouality RANGES, COOKTOPS AND WALLOVENS SPECIAL INTRODUCTORY PRICES Available in botti eIec and gas. DISHWASHERS Now from only - $529mOO CANADA'S NO. 1 PREFERRED BRAND. 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