Changing plant stress conditions increase or decrease ec. Duration xxx average nutrient release xxx days the text box below may have any combination of the % durations listed within the box. This amount of fertilizer, given in pounds of nitrogen per 1,000 sq. Introduction association of american plant food control officials aapfco is an organization of fertilizer. A higher ui denotes better quality fertilizer blends. Fertilizer basics see the following publications for guidance on such things as fertilizer types and composition, interpreting the product label e. Crops not in contact with the soil, such as corn, beans, and fruit, are subject to an interval of 90 days 7 cfr 205. Changing environmental conditions light intensity and duration, temperature, etc. Nov 03, 2015 duration xxx average nutrient release xxx days the text box below may have any combination of the % durations listed within the box.
A fertilizer with a 312 ratio contains one and a half times as much n as k2o and three times more n than p2o5. Duration 180 duration 120 duration 90 duration 45 if this product is being sold in a state requiring the publication of information regarding its metal. These are usually listed on the label, but they are not part of the fertilizer grade. Water clear liquid with fertilizerlike odor solubility. The third number, 20 in our example, indicates the amount of potassium in the fertilizer. Understanding a turf fertilizer label umass center. If solubility is a problem, consider 1 making a less concentrated more dilute solution and increasing the duration of injection or 2 using a more soluble fertilizer formulation. Box 333, 120 radio road hanover, pa 17331 manufactured for. Table 1 shows how to estimate the amount of fertilizer to apply based on the product. Part 1 focused on how controlledslow release fertilizers work, and how to compare the various technologies.
A fertilizer grade is used to determine the percentage by weight of plant nutrients in the product. Chapter 11 fertilizers hawaii department of transportation. Most commercial fertilizers have 3 numbers on the front label, separated by dashes. Duration cr type iii min 90 to max 120 days duration cr type v min 150 to max 180 days product description duration cr is available in five release rates to best meet the duration cr has been extensively tested in field trials for both turf and agricultural applications. In turf fertilizers, this fourth number usually represents either iron fe or. This number is represented by some companies as type, type 140, range of months, 56 month or. Nitrogen fertilizer volatilizationfactors affecting management to minimize. This consistency helps to take the worry out of maintaining healthy turfgrass and plants for turfgrass managers. Duration cr consistently stands out amongst the competition. Duration cr type iii min 90 to max 120 days duration cr type v min 150 to max 180 days product description duration cr is available in five release rates to best meet the duration cr has been extensively tested in field trials for both turf and agricultural.
The values in an npk fertilizer label are related to the concentrations by weight of phosphorus and potassium elements as follows. Isbn 1 86320 462 8 print 1 86320 463 6 online edited by anne burgi, substitution, melbourne, australia cover design, sam highley, clarus design, canberra, australia. Introduction association of american plant food control officials aapfco is an organization of fertilizer control officials from each state in the united states, from canada and from puerto rico who are actively engaged in the. It is easy to use and produces vibrant growth from tender to beginnings up through a sturd. Application recommendations iron and plant nutrients can cause staining of sidewalks. Controlled release nitrogen fertilizers for agriculture. Remove contact lenses, if present, after the first 5. Fertilizing lawns, ec 1278 oregon state university extension. Composting is defined in the regulation based on the carbontonitrogen c. Twiceayear with duration 90 and duration 120 2505 with 50% xcu the uniformity index ui of a granular fertilizer is defined as the ratio between larger and smaller granules of a specific blend multiplied by 100. West central distribution, llc 2700 trott avenue sw p. Formulated to help disease resistance and thickens new and existing lawns. Whether you need 90, 120 or 180 days of consistent, timereleased fertilizer, shaws brand fertilizers will meet your needs.
Most of you only dig into a fertilizer label only when the need arises and specific information is needed. In new york state this product may only be used by commercial applicators and at no more than 333 lb 0. Reading fertilizer labels would be a good cure for insomnia. This segment of turftechreport, is second of a twopart series. The ratio of the fertilizer in the example above is 312. Common labeling conventions the npk analysis label. Have a product container or label with you when calling a poison control center or doctor, or going for treatment. This becomes important when you are looking for fertilizer to meet a specific need. Mar 31, 2014 whats on the fertilizer label march 31, 2014 1.
Analysis, description, technical sheet, msds, product code. A ui of 100 denotes that all blended particles are the same size. The first number is the amount of nitrogen n, the second number is the amount of phosphate p 2 o 5 and the third number is the amount of potash k 2 o. Impacts of 120 years of fertilizer addition on a temperate grassland ecosystem article pdf available in plos one 123 march 2017 with 328 reads how we measure reads. For example, a 100pound bag of fertilizer with a grade of 30010 contains 30 pounds of nitrogen, no phosphate, and 10 pounds of potash.
These three numbers represent the primary nutrients nitrogenn phosphorusp potassiumk. Consult product label before use for specific rate. The standard label is discussed and presented in this publication in one of its simplest forms. Sweep walkways immediately after application and prior to irrigation. You get a full growing season green and healthy turf with only two applications. A fertilizer with a 3 12 ratio contains one and a half times as much n as k2o and three times more n than p2o5. Horizontal bars indicate time for each application. Duration cr controlledrelease fertilizer relies on a patented and durable polymercoated technology to gradually and efficiently release nutrients. Greenhouse and indoor hydroponics workshop, west lafayette in, september 5, 2018. Pounds of fertilizer required for various lawn sizes using a one pound n 1,000 sq. With an average release of 120 days, its unique properties allow it to be used in numerous crop, ornamental and turf.
Fertilizers are usually labeled with three numbers, as in 182010, indicating the relative content of the macronutrients nitrogen n, phosphorus p, and potassium k, respectively more precisely, the first number n value is the percentage of elemental nitrogen by weight in the fertilizer. The amount of fertilizer needed for grass, trees, shrubs and palms is based on the amount of nitrogen n needed to maintain normal, healthy growth without burning the plants. Fertilizers 215 how do i determine how much fertilizer to use. Fertilizing lawns, ec 1278 osu extension catalog oregon state.
The ratio of a fertilizer is the relationship between the n p2o5 and k2o content of a fertilizer. It is formulated to effectively feed lawns or professional turf for up to four months. Aapfco product label guide association of american plant food control officials 2015. Basic label components all fertilizer labels must havefive basic elements. This is the fertilizer analysis or percentage by weight of the 3 major nutrients plants need. Gainer 202020 should be mixed with water prior to application and may be used in conjunction with pesticide sprays except dormant oil, lime sulfur, and highly alkaline spray materials. Maintenance fertilizer containing a unique and proven combination of duration 45, 90, 120 and 180 day slowrelease nitrogen. Managing corn fertilizer nitrogen with stabilizer products. Gainer 202020 is a foliar fertilizer containing nitrogen, phosphate, potash, and micronutrients. Duration cr 120 or 180 day, g, 4300, 100% controlledrelease urea nitrogen from. Fertilizer recommendations by crops, categorized agricultural. Wear protective glovesclothingeye protectionface protection. Umaxx stabilized nitrogen regular 4600 bulk supplemental label. Nitrogen fertilizer volatilization factors affecting.
If solubility is a problem, consider 1 making a less concentrated more dilute solution and increasing the duration of. Even and uniform spreading of manure or fertilizers by hand over the entire surface of field while cultivation or after the seed is sown in standing crop, termed as broad casting. Duration cr 120 typical nutruent release at 68 f view. Pdf impacts of 120 years of fertilizer addition on a. All purpose 121212 fertilizer contains a balance of nutrients for added greening power. Fewer applications can reduce overall fertilizer expense. Fertilizer labels indicate the percentage of nitrogen in the product see how can i decipher a fertilizer label. Daniels 1043 professional plant food combines all the essential nutrients required for peak plant metabolism, together with the seeds own organic growth enhancers, to produce a blend upon which your plants will thrive. It is intended as a guide in providing general information regarding the use of this product. For establishment of fescue, apply 20 to 40 pounds nitrogen per acre at time of. Application of dry bulk fertilizer was assessed assuming application to up to 320 acresday for. Whats on the fertilizer label sun gro horticulture. The big five five required components must appear on a fertilizer label. Duration 180 duration 120 duration 90 duration 45 if this product is being sold in a state requiring the publication of information regarding its metal content, information regarding the contents and levels of metals in this product is available at the.
Therefore, the elemental phosphorus percentage of a fertilizer is 0. Water type recommendation water soluble fertilizer. Standard label preface one of the many results of aapfcos consensus efforts is the standard fertilizer label. Products nutrite high efficiency fertilizers specialists site. Label elements symbols signal word warning hazard statement harmful if swallowed. Duration cr urea 120 day 4300 duration cr urea 180 day 4300 duration cr. A 121 ratio is often recommended for vegetables, which need plenty of phosphorous to set fruit. Always read and follow the label on the product container. Fertilizer grades of 451530, 361224, and 936 also have a 312 ratio. Box 897 willmar, mn 56201 first aid if in eyes hold eye open and rinse slowly and gently with water for 1520 minutes. The result is the consistent metering of nutrition that lasts for weeks, even months, with fewer applications. Pound for pound, a 361224 fertilizer contains twice the nutrients of a 18612 fertilizer.
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