Emerald Isle Turf Product Answers

Foliar Nutrition

The Science of Foliar Nutrition

Emerald Isle Foliars...Based on Better Science

You don’t use yesterday’s fertility technology to solve today’s nutritional problems. The old adage: "when your only tool is a hammer, every problem looks like a nail" applies here. Today’s maintenance standards eclipse those of just 10 or 15 years ago. The conventional ways of looking at fertility and nutrition are no longer adequate. Phrases like "soluble nitrogen," "available phosphorus," "chelated" and "essential" micronutrients have been the unquestioned basis of defining, registering, and comparing fertilizers for many, many years. However, they have never been an adequate way to consistently explain a plant’s response to the use of a given fertilizer.

For example, all granular and most liquid fertilizers that are designed for root uptake rely completely on soil moisture, temperature and microbiological activity to control their release and availability. The highly variable microbiological relationships and other interactions that determine the fate and usefulness of a given fertilizer are consistently overlooked. There are still unanswered questions about what chemical forms of nutrients, (and what nutrients) provide the most efficient and beneficial response in a plant. There are dozens of ways to complex or chelate micronutrients, yet fertilizer labeling regulations really make no distinction among them, and turf professionals are at the mercy of the trade show posters and web site hype.

This is not a criticism of either granular or liquid root uptake fertilizers; we make them and they have a significant place in most programs. However, they have some inherent limitations and prudent turf professionals need to know what they are. So, if you’re managing intensively maintained turfgrasses and your fertilization and nutrition program is dependent on root uptake, you should consider the enormous potential offered by true foliar nutritional therapy, using Emerald Isle Nutri-Rational™ Foliars.

Every year, we at Emerald Isle are learning more of the questions and many of the answers necessary to understand the complex and seemingly unpredictable relationships between a turf plant and its root zone. We are researching these issues as they relate to both foliar and soil applied fertilizers and amendments. On the basis of our 20 years of product experience and university research, we are committed to the goal that we will offer the best system of products available, and that we will understand the relationships that affect their performance more completely each year.

How do you deliver Phosphorus effectively in a foliar fertilizer?

Phosphorus

The hierarchy from highest to lowest with respect to quality for components in fertilizers is this:

1. Pharmaceutical Grade
2. Technical Grade
3. Agricultural Grade

These grades exist for a reason; to provide an objective way to measure quality. And while you can always debate which grade is necessary or desirable for what purpose, no one can debate that the higher the grade, the higher the quality. So the only issue is whether the higher quality is necessary or desirable and whether its higher cost is justified. It’s vitally important to keep this in mind when you compare these sources for phosphorus and potassium in the foliar fertilizers available to golf course superintendents and others who manage intensively maintained turfgrasses.

Most phosphorus sources are insoluble in water, and generally immobile and unavailable in soils and other growing media. Even “fluid” phosphates, such as phosphoric acid, are soluble only at low pH and readily combine with calcium, magnesium and trace metals (micronutrients) to form insoluble and unavailable compounds. Further, phosphorus from phosphoric acid is available only in the soil solution, and only as long as other nutrients with which it can react are absent.

Neutral Polyphosphate (such as ammonium polyphosphate) is the only phosphate source proven to be stable in the presence of trace elements and the only true “foliar available” phosphorus. Other producers use agricultural phosphates (including phosphoric acid), but Emerald Isle’s Nutri-Rational line uses foliar available, neutral polyphosphates exclusively. These complex polyphosphates closely resemble soluble resins or polymers, while other phosphate forms are more like chemical salts. Neutral polyphosphates deliver P in a protected form, much like metals that have been complexed or chelated. Thus, they remain stable and available in a wide range of chemical combinations and at various pH’s.

Meet Demands for Putting Speed

Meet Demands For Putting Speed Without Sacrificing Quality

Problem: The rapidly escalating demands on the Superintendent to produce excellent turf quality and faster and faster putting speeds puts tremendous stress on turf at the same time that Mother Nature is generally toughest on the turf as well.

Solution: Apply a consistent program of seaplant extract with regular, small amounts of efficient True Foliar nutrition to increase color, quality, and stress tolerance without stimulating shoot growth.

The following table shows Program application rates for three types of grasses. Apply the rates of CPR plus the Emerald Isle True Foliar products shown, per 1,000 sf every 14 days:

To maintain turf physiological fitness, particularly in stressful conditions, you need the following:

• True Foliar nutrients for maximum efficiency of uptake and translocation
• Precise amounts of nutrients for consistency
• Small, efficient amounts of nutrients for controlled leaf tissue growth
• High quality, multiple sources of nutrients to avoid one-rate release
• Seaplant extract to increase stress tolerance
• Complete fertility, including chelated micronutrients and trace elements
• Balanced fertility

Historically, plant “vigor” was defined in terms of clipping yield. However, Superintendents aren’t growing an “Ag” crop like corn where yield numbers matter. Superintendents are rewarded for quality putting surfaces, and it’s important to define success in terms of aesthetics over clipping yield. Success in maintaining turf at low mowing heights under stressful conditions requires limiting turf top growth. First of all, excessive top growth means slow and/or inconsistent putting speeds—that’s simply unacceptable in today’s demanding society.

Secondly, excessive growth is also very stressful to the plant—it begins a dangerous cycle of early senescence and death. When top growth is mowed off, the plant responds by trying to grow more in order to replace the lost photosynthetic leaf area. In the summer on cool season grasses (or whenever turf roots are under stress) the plant is not capable of producing additional carbohydrate reserves. Therefore, growth must come at the expense of existing reserves. When the plant’s stored energy is continually depleted, the turf cannot survive or fight off opportunistic diseases like anthracnose, and it cannot survive extremely stressful conditions.

As Dr. Rossi said in Turfnet August 2002:
“The act of mowing, especially multiple cuts in the same day, results in significant depletion of energy reserves and weaker more disease susceptible plants.”

Finally, Superintendents who maintain the new generation of bentgrasses and the new ultra-dwarf bermudagrasses must be especially careful to limit top growth while maintaining plant health. Not only do these species have shallow root systems, they are prone to producing thatch. Thatch accumulation is directly proportionate to top growth, so limiting top growth should be an integral part of the Superintendent’s thatch-management program.

The Emerald Isle CPR-True Foliar Programs detailed above all meet the needs of the turf by providing precisely what the Superintendent needs--Complete, Controlled, Consistent Nutrition that deliver increased plant physiological fitness with controlled growth.

Top 10 Reasons To Use The CPR-True Foliar Nutrition Program

• Increase turf quality and density
• Increase root mass and depth
• Increase stress tolerance
• Increase resistance to disease, especially anthracnose
• Reduce thatch accumulation
• Increase nutrient absorption
• Reduce clipping removal and loss of applied fertilizer
• Reduce nutrient leaching
• Increase photosynthesis and phytochemical efficiency
• Reduce potential for diseases associated with excess N

“We used the Emerald Isle True Foliar Nutrition and seaplant extract products all summer and were very happy with what they gave us—consistency, great color, and controlled growth.”
Phil Landry
Belgrade Lakes Golf Club
Belgrade Lakes, Maine

“My greens have never looked better, even though 2002 was such a stressful year.”
Frank Tichenor
Glenwood Country Club
Old Bridge, NJ

Use of Seaplant extract in Foliars

SeaPlant Extract As a Component of The NutriRational Foliars

Recently there has been more interest focused on the seaplant extract component of all of our materials, but most particularly on our foliars. At the most basic level we formulate with what we refer to as a 1x extract. This extract is the product PanaSea. This is the extract that we use in the NutriRationals. What follows is a chart that shows the amount of extract by product. This is the least confusing way to look at this question. It gets more confusing if you try to add CPR and PanaSea Plus into the equation. PanaSea Plus is a more concentrated version of PanaSea. It is also 100% seaplant extract, but it is concentrated to over twice the strength of PanaSea. Since this is not the material that we use in the foliars we think that we would gain the most from a promotional point of view by using PanaSea as the point of departure for these comparisons.

What is this state of the art nutrition?

State of The Art Technology: True Foliar™ Nutrition

All foliars are liquids, but not all liquids are true foliars. In other words, don’t confuse the method of application with how a plant metabolizes the application. Remember that “just because you’re spraying it on doesn’t mean you’re spraying it in.”

It has been known for some time that turfgrass plants are capable of taking up nutrients through the leaf tissue. In the morning, under favorable environmental conditions, the stomates may be open for nutrient entry. However, in the heat of the day, the stomatal guard cells close to conserve moisture and protect the plant—this can solve certain stress problems for the plant, but it effectively keeps out certain larger molecules such as those found in humic acid materials.

The much smaller transcuticular pores are always open. They can be entry points for nutrients if the nutrients are in a form that is acceptable to the plant. In short, the molecules have to be small enough to pass through the very small transcuticular pores, and they have to be neutral or negatively charged to get through the electro-chemical gradients of the plant and to translocate within the leaf tissue and throughout the plant.

The value of True Foliar nutrition is considerable. First of all, True Foliars allow small, efficient amounts of nutrition to be applied consistently. This keeps the plant healthy without stimulating excessive shoot growth. Excessive shoot growth not only results in slow putting speeds, it expends plant energy and depletes stored carbohydrate reserves, which can lead to premature senescence and death. Because True Foliar nutrition does not deplete stored energy, that energy is available to support root growth, just when that support is most desperately needed.

Secondly, roots that are under stress don’t function well. Fertility programs that depend on root uptake are less effective in times of stress. True Foliar applications bypass the roots by making nutrition directly available to the plant through the leaf tissue.

Third, nutrients that enter the soil are subject to unpredictable chemical transformations and may end up less useful to the turf as nutrition. Or, they may be tied up and unavailable to the plant. True Foliar nutrition avoids these problems.

Finally, True Foliar nutrition increases metabolic activity in the leaf, which increases photosynthesis and chlorophyll production. The plant then increases its uptake of water from the soil. Because Emerald Isle True Foliars are engineered to incorporate the beneficial properties of seaplant extract and many beneficial nutrients, the products increase production and efficiency of photosynthesis and increase the water absorption and holding capability of the plant. The turf is nourished and strengthened, and it is more physiologically fit and better able to withstand environmental stresses.

Emerald Isle NutriRational True Foliars represent the state of the art True Foliar technology for providing more effective and efficient Nutrition for closely mowed turf.

• Each product contains multiple sources of nutrients
• The sources of nutrients are high quality—often food or pharmaceutical grade
• The nutrients are combined in carefully considered ratios
• The nutrients are chelated and complexed with organic sequestrants
• The True Foliars contain seaplant extract

Emerald Isle Nutri-Rational Foliars

Emerald Isle Nutri-Rational Foliars, A Scientific Approach to Turfgrass Fertility Management

Conditions are never "normal" for intensively-maintained turfgrasses. Therefore, to talk to a professional golf course superintendent or athletic field manager about how fertilization works under "normal" conditions is largely irrelevant. What is relevant to most professionals is how turfgrass fertilization works under the high stress conditions associated with intense maintenance and frequent mowing.

Emerald Isle Nutri-Rational Foliars, The New Industry Standard For Foliar Fertilizers and Micronutrients

Because roots are among the first life support systems to degrade under stress, turfgrasses are less and less capable of taking up nutrients from the soil through their root system as stress intensifies. Therefore, Emerald Isle Nutri-Rational Foliars are designed to bypass the root system and provide efficient intake and utilization of plant nutrients through the leaf tissue. Unlike traditional liquid fertilizers or soluble powders, Emerald Isle Nutri-Rational Foliars are specifically designed for maximum efficiency, using proprietary chelation methods and advanced formulation technology.

• Plant nutrients are provided in the most desirable forms and ratios
• They feature multiple release formats

This completely unique and proprietary system makes Emerald Isle Nutri-Rational Foliars the new industry standard for nutrient absorption, translocation, and utilization by the plant.

Emerald Isle Nutri-Rational Foliars include:

• Emerald Isle Foliar N (19-1-6 w/turf micronutrients)
• Emerald Isle Foliar P (6-12-6 w/turf micronutrients)
• Emerald Isle Foliar K (2-0-16 w/turf micronutrients)
• Emerald Isle Foliar Calcium (6% Ca, 5% N, 6% K, 0.2% B)
• Emerald Isle Foliar Silica (10%K, 3% N, 1%Si)
• Emerald Isle SeaQuential Foliar Iron (6-0-2 w/6% Fe, 4% Su)
• Emerald Isle SeaQuential Foliar Iron w/micronutrients (7-0-1 w/5% Fe, 3%Su, 1.7% Mg, 0.5% Mn, 0.4% Zn, 0.02% B)

The More That's Expected From You, The More You Need These Products

Why? Because there are two major forces at work that you can’t control.

1. Player demand for tournament-type playing conditions is continuing to increase.
2. Public demand for environmental stewardship is continuing to increase.

Given those two realities, you will be expected to do more with less; that is, you will be expected to produce better, more competitive playing conditions with fewer and fewer conventional chemicals and pesticides. What that means is you need to find biorational alternatives that are both agronomically effective and environmentally responsible. You need safe products that work. And that is precisely what we offer.

We make high performance products for results-oriented turf and ornamental professionals. Emerald Isle’s product claims are based on science. They are built on a firm foundation of facts. That’s an important part of what you receive when you buy an Emerald Isle product. That is also an important part of why we are partnered with LebanonTurf. To continue to develop and expand the scientific base of these and our other biorational products.

We Share The Same Goal

Our biorational Turf & Ornamental Products include:

• Fertilizers and Micronutrients
• Biostimulants
• Bioaugmentation Materials
• Soil Amendments

At the end of the day, we share your goal: to produce the healthiest, strongest, most resilient turf possible with the most environmentally responsible tools available. We can provide you with better tools more economically than any of our competitors. It’s as simple as that. So when it comes time to choose your tools to help you manage your turf, choose wisely. Choose Emerald Isle products from LebanonTurf Products.

How do you deliver various forms of Nitrogen effectively in a foliar fertilizer?

Nitrogen

Emerald Isle’s Nutri-Rational Foliar N combines five different forms of Nitrogen. More importantly, they are combined in a way that maximizes the benefits of each while avoiding their shortcomings.

For example, Urea N is not very desirable as a stand-alone source of nitrogen. It volatilizes easily, can cause tissue burn, and reduces root mass. However, when it’s bound to more stable compounds it can be made into a truly desirable source of nitrogen. So in Emerald Isle’s Nutri-Rational Foliar N formulation, we protect the urea form of nitrogen in a complex nutrient matrix. that gives you all of the benefits of Urea N like quick green-up and one of the drawbacks such as growth surges.

Likewise with Nitrate N. Because it is a disassociated anion, it leaches readily from rootzones creating not only the loss of valuable plant food but also contamination of surface and ground water. However, small amounts of nitrates balance other nitrogen sources to prevent the “one rate release” pattern typical of most turf fertilizers. Nitrate N also provides the best form of nitrogen for calcium availability. So we incorporated it into Nutri-Rational Foliar N so that it can be foliar absorbed through active transport. Emerald Isle is the only formulator that uses Nitrate N selectively and by design to maximize its benefits while avoiding its shortcomings.

Ammoniacal N, on the other hand, is a disassociated cation and so it does not leach readily from rootzones. Unfortunately, it is not in a plant-preferred form for root absorption. However, it can be foliar absorbed and, under highly specific reaction parameters, it can stabilize phosphorous in an available form. Therefore, Emerald Isle used Ammoniacal N intentionally to balance ratios with other desirable N forms in order to take advantage of its specific benefits while avoiding ratios and combinations that are undesirable. Emerald Isle is the only producer who consistently takes this approach when utilizing Ammonium N.

The fourth form of nitrogen in our Nutri-Rational Foliar N, Amine N, is desirable from the standpoint of stability, charge and pH flexibility. In amino acids and related compounds, this form of nitrogen can be readily absorbed by both roots and foliage and transported or stored with minimal plant energy consumption. It is critical to consider chemical charge, molecular size and contained functional groups when using amino acids and proteins in foliar products. Emerald Isle has systemically analyzed the various sources of these materials to determine which components meet the necessary requirements for available amine nitrogen. A proprietary combination of amino components from multiple sources make the amine N in Emerald Isle products perform beautifully in the “multiple release format” developed exclusively for our Nutri-Rational line of foliar products. These amino compounds release more slowly than the less complex forms of N in our products but more quickly than the fifth and final component in Nutri-Rational Foliar N.

Amide N is the final form of nitrogen in this extraordinary formulation. This organic form of N not only provides a plant-available source of non-phytotoxic nitrogen, but also stabilizes other N forms in its presence. The proprietary polymethylene ureas used in Emerald Isle’s Nutri-Rational Foliar N increase root mass, build plant vigor to help increase stress tolerance, produce excellent color and assist with the steady extended feeding necessary to prevent the “feast and famine” phenomena caused by salt based nitrogen sources.

Here is a convenient spreadsheet for calculating your nutrient loading with True Foliars ™

FoliarFertilityProg.xls

Use True Foliar Silica to enhance disease resistance

Include True Foliar Silica (at 3 oz per 1,000 sf) as a regular component of True Foliar Nutrition and in the last fungicide spray of the season for hardening offö turf and for additional disease resistance.

Silica is not just for tournament prep! For several years, Superintendents have been advised to use liquid applications of silica to increase putting speed. Actually, what a good silica product can do is help stand-up the leaf blade for a better quality ball roll. This particularly helps with bents and bermuda grasses that get leggy and with poa that loses its turgidity in the summer. A truer roll will often be experienced by the golfer as “faster,” and it is always preferable to make the ball roll as smoothly as possible. So, after you have made sure that the greens mower reels are as sharp as possible, using silica for tournament prep makes a lot of sense.

However, the real value of silica is that it can harden the leaf tissue and enhance disease resistance. That’s why our True Foliar Silica 3-0-10, with 50% seaplant extract by volume, is included in all of our True Foliar Nutrition Programs.

An article in The Journal of Plant Nutrition, 1999 provided a short summary of the benefits of silicates documented by researchers at Virginia Tech:

• Creeping bentgrass: foliar applications stimulated antioxidant activity, increased photosynthetic capacity and chlorophyll content, and significantly reduced dollar spot disease without increasing clipping yields. These benefits were observed even under low water (drought) conditions.
• Cucumber plants: darker green leaf color, better position for light interception, less propensity of the leaves to wilt, 50% higher chlorophyll content, retarded senescence, and greater root mass.
• Strawberry plants: increased chlorophyll content, improved metabolism
• Rice: increased photosynthesis

Silica is associated with many of the same benefits as our seaplant extract—disease resistance, increased photosynthesis, increased chlorophyll, drought resistance, etc. When combined with seaplant extract and the multiple forms of True Foliar potassium unique to our products, Emerald Isle True Foliar Silica 3-0-10 represents the best silicate available to Golf Course Superintendents. It contains 50% Seaplant Extract and 1% immediately available Silica and provides these benefits:

• Increased photosynthesis
• Increased chlorophyll content
• Increased drought tolerance
• Increased disease tolerance
• Increased root mass

Early Season True Foliar™ Applications For Better Turf Color & Quality

Problem: The first warm spell of the year brings out golfers anxious to play, but intolerant of a course that doesn’t meet their expectations.

Solution: At the first sign of weather warm enough to bring out the golfers, apply the following:

• 3 oz of True Foliar N 19-1-6 per 1,000 sf every 14 days, plus
• 3 oz of True Foliar Si 3-0-10 per 1,000 sf every 14 days, plus
• 3 oz of SeaQuential with Micros per 1,000 sf every 14 days

Every year, the same thing happens: The PGA Tour makes its Florida swing in March leading up to the Masters in April. Up north, the winter weather breaks, at least for a weekend. After being cooped up all winter, nothing gets a golfer’s blood flowing like Tiger and his peers making birdies when it’s suddenly sunny and 10 degrees warmer outside. That means that the pressure on the Superintendent begins when that first warm weekend hits. It may get cold again right after that, but today’s players seem to want perfection earlier and earlier. At the very least, they want good color and putting quality on the greens. Outside of Hawaii and the Sunbelt, one thing is always true about spring golf and course conditions:

The golfers are ready before the soil is!

In early spring, the worst thing a Superintendent can do is over-apply granular fertility trying to get a turf response. It won’t happen, because the soil temperatures are not high enough to support microbial activity, but that excess residual soil fertility will kick in when the soil temperatures rise for good, and you’ll be “bailing hay.” If you want good quality and good putting speeds in May-June, be careful what you do in late March-April. Heavy granular applications in early spring can really hurt you in late spring, but True Foliar applications can help by getting small, efficient amounts of nutrients directly into the leaf tissue.

“We used True Foliar N 19-1-6 in early March when it was still pretty cold, and we were really pleased with the results. We got a great color response that was visible in less than 24 hours.”
JL Griffith
The Signature at West Neck
Virginia Beach, Virginia

“We had an early warm-up in April when it was still pretty cold at night. I used the True Foliar N 19-1-6 to get a green-up going into the weekend, and it really worked well—the color lasted about 18 days.”
Dave D’Andrea
Riverside Golf Course
Portland, Maine

How do you deliver Potassium effectively in a foliar fertilizer?

Potassium

Typical fertilizer products available to turf professionals provide only inorganic forms of potassium which are rarely foliar available, leach out of the root zone in light or sandy soils, often have a high salt index (causing damage to plants, microbes, and the soil itself), and provide limited benefits per unit cost. Yet, the “cheap” nature of these Ag-grade potassium sources (muriate of potash and potassium nitrate ) make them appear to be good values. Even when producers move to the high end of Ag-grade potassium (potassium hydroxide or caustic potash), the same negative attributes apply, but at a much higher sticker price.

Potassium carbonate (an organic potassium) has a low salt index, tends to remain in the root zone in light soils, builds plant vigor for increased tolerance to stresses, makes fungal encroachment in soils less likely, provides organic carbon for microbes, and works with other organic potassium sources in a synergistic way. Emerald Isle includes this fine technical grade of potassium in its foliar line.

Potassium citrate (an organic potassium) has a low salt index, helps buffer other plant nutrients for stability and plant availability, has sequestering capabilities not found in inorganic potassium sources, feeds microbes, combines with other organic potassium to produce multiple stress reduction benefits. Emerald Isle combines this pharmaceutical grade, organic potassium with other superior potassium sources in its new foliar line.

Potassium acetate (an organic potassium) is unique to Emerald Isle foliar products. This potassium strengthens roots in a way that only metal acetates can. It has complexing qualities, helps stabilize other nutrients with its buffering capacity and resembles an organic acid in its favorable reactions with microflora. Emerald Isle chose this exotic form of potassium over cheaper forms because of its numerous noteworthy qualities. We combined it with other excellent organic potassium sources to make our foliar potassium second to none.

Summary of reasons for Nutri-Rationals

Emerald Isle Nutri-Rational Foliars - The New Industry Standard for Foliar Fertility

• Foliar N (19-1-6 with micros)
• Foliar P (6-12-6 with micros)
• Foliar K (2-0-16 with micros)
• Foliar Si (3-0-10 with 1% Si)
• Foliar Ca (5-0-4 with 6% Ca)

Because root systems degrade under stress, turfgrasses are less capable of taking up nutrients from the soil as stress intensifies. Therefore, Nutri-Rational Foliars are designed to bypass the root system and provide efficient intake of nutrients through the leaf tissue. Unlike traditional liquid fertilizers and water-soluble powders, Nutri-Rational Foliars are “true foliars”—engineered to be absorbed through the stomates and trans-cuticular pores of the leaf tissue.

Plants can absorb many forms of nutrients, and each type has its strengths and weaknesses. By combining different forms of organically chelated nutrients in a true foliar, Nutri-Rational Foliars provide efficient uptake and translocation of essential nutrients in a multiple release technology. For example, Foliar N combines 5 different forms of Nitrogen, and Foliar K provides three different forms of organic potassium.

In addition to superior sources of high-grade nutrients, the Nutri-Rational Foliars contain generous amounts of specially derived seaplant extract, which provides cytokinins, vitamins, amino acids, plant sugars, and other proprietary biostimulants. Scientific research has shown that “applying cytokinin to the root zone of turf exposed to high soil temperatures increased root zone quality to optimal levels.” (Golf Course Management, July 2001) Furthermore, research by Dr. Schmidt at Virginia Tech demonstrated that “applications of seaplant extract can increase antioxidant levels, thereby increasing cell life and maintaining turf growth.” (Superintendent News, June 8)

Especially when combined in a regular spray program with CPR, Nutri-Rationals provide superior turf health, quality, and color and increased root mass, even during periods of high stress.

The Most Efficient Form Of Nutrition

Like I.V. Therapy - The Most Efficient Form Of Nutrition

Efficiency is the critical factor in comparing premium foliars. Because root uptake of fertilizer takes energy, a well-designed foliar can bypass the root system and penetrate directly into the leaf thereby conserving significant amounts of energy that the plant can use to tolerate stress. The faster a foliar is absorbed through the leaf tissue and the faster it translocates within the plant, the more efficient it is and therefore, the better it is. There are no more efficient forms of nutrients than Emerald Isle Nutri-Rational™ Foliars. There are no better forms of nutrients than Emerald Isle Nutri-Rational Foliars.

Emerald Isle Nutri-Rational Foliars are not like anything else available. They are completely unique. They are true foliar fertilizers designed specifically for turfgrasses that are maintained intensively and subjected to periodic high stress conditions.