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Topic: Fertilizer

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	IFA: International Fertilizer Industry Association
		Papers presented at the IFA International Workshop on Fertilizer Best Management Practices, Brussels, Belgium, 7-9 March 2007
		How Can the Fertilizer Industry Contribute to the Nutrition Security Challenge Through Micronutrient Applications?
		Glossary of Fertilizer Terms - The multilingual table of the fertilizer types is now available in Chinese and Russian
	www.fertilizer.org (261 words)

	Fertilizer
		Fertilizer, any material, natural or manufactured, which may be added to the soil to supply plant nutrients.
		Phosphate fertilizers are made from phosphate rock (about 25% phosphorus), treated with sulphuric acid to produce phosphoric acid which, in turn, is used to manufacture fertilizers such as ammonium phosphate.
		In addition to being used to produce phosphate fertilizers, sulphur dioxide gas is combined with water to produce sulphuric acid, which is mixed with anhydrous ammonia to produce ammonium sulphate.
	www.thecanadianencyclopedia.com /PrinterFriendly.cfm?ArticleId=A0002780 (734 words)

	Spotlight: Fertilizer and the future
		The growth in fertilizer use is certainly lower than the increase in yields, and confirms the overall pattern of increasing efficiency in fertilizer use.
		Fertilizer application currently accounts for 43% of the nutrients that global crop production extracts each year, and the contribution may be as high as 84% in the years to come.
		Enhanced fertilizer use to meet WFS goals is particularly important in countries such as China and India, which make up a large proportion of the world population.
	www.fao.org /ag/magazine/0306sp1.htm (1393 words)

	Fertilizer - MSN Encarta
		The term complete fertilizer often refers to any mixture containing all three important elements; such fertilizers are described by a set of three numbers.
		For example, 5-8-7 designates a fertilizer (usually in powder or granular form) containing 5 percent nitrogen, 8 percent phosphorus (calculated as phosphorus pentoxide), and 7 percent potassium (calculated as potassium oxide).
		While fertilizers are essential to modern agriculture, their overuse can have harmful effects on plants and crops and on soil quality.
	encarta.msn.com /encnet/refpages/RefArticle.aspx?refid=761574791 (565 words)

	Fertilizer - Wikipedia, the free encyclopedia
		Fertilizers or fertilisers (British English) are compounds given to plants with the intention of promoting growth; they are usually applied either via the soil, for uptake by plant roots, or by foliar feeding, for uptake through leaves.
		Fertilizers typically provide, in varying proportions, the three major plant nutrients (nitrogen, phosphorus, and potassium), the secondary plant nutrients (calcium, sulfur, magnesium), and sometimes trace elements (or micronutrients) with a role in plant nutrition: boron, chlorine, manganese, iron, zinc, copper and molybdenum.
		Over-application of chemical fertilizers, or application of chemical fertilizers at a time when the ground is waterlogged or the crop is not able to use the chemicals, can lead to surface runoff (particularly phosphorus) or leaching into groundwater (particularly nitrates).
	en.wikipedia.org /wiki/Fertilizer (2144 words)

	fertilizer - HighBeam Encyclopedia
		FERTILIZER [fertilizer] organic or inorganic material containing one or more of the nutrients—mainly nitrogen, phosphorus, and potassium, and other essential elements required for plant growth.
		Added to the soil or other medium, fertilizers provide plant nutrients that are naturally lacking or that have been removed by harvesting or grazing, or by physical processes such as leaching or erosion.
		Fertilizers may be spread over the soil surface or plowed under, drilled into deep or shallow layers of the soil, applied in bands under the rows where the seeds are to be sown, drilled into the bands at the time of planting, or side-dressed between planted rows.
	www.encyclopedia.com /html/f1/fertilizr.asp (332 words)

	fertilizer
		Fertilizers which gradually feed plants rather than deluging them with excessive nitrogen are not only environmentally-sensible, but they also enable plants to grow at optimum rates.
		The fertilizer is applied in a strip to the side of the row before planting.
		One heavy fertilizer application in early spring is not enough; it's much better to apply a moderate amount before planting with supplemental side dressings during the growing season.
	www.angelfire.com /ca2/tlon/ruthsgarden/fertilizer.html (1647 words)

	fertilizer
		A fertilizer grade consists of three numbers, for example “10-3-10,” sometimes called its N-P-K. The first number is the percentage by weight of elemental nitrogen.
		The fertilizer need not actually contain any phosphoric acid; the phosphorus content may be provided by ammonium phosphate, superphosphate, or any number of other compounds.
		A 20-14-18 fertilizer and a 10-7-9 fertilizer have the same fertilizer ratios; other things being equal, they would have the same effect, provided twice as much of the 10-7-9 were applied.
	www.sizes.com /materls/fertilizer.htm (268 words)

	fert
		Fertilizer is usually a mix of nitrogen (N), phosphorus (P) and potassium (K).
		Organic fertilizer (or slow- or controlled-release) is better for your lawn (and ultimately, better for the lake) because it feeds the soil to feed the grass.
		Inorganic fertilizers (fast-release) are usually more concentrated and more soluble, can leach through the soil quickly and feed the grass directly (and possibly the lake).
	www.lagrangecountylakescouncil.org /fert.htm (655 words)

	Floriculture: Fact Sheets: Greenhouse Management: Fertilizer Calculations for Greenhouse Crops
		If we use a fertilizer such as 20-20-20 with 20% nitrogen, 13½ ounces are needed to make 100 gallons of a 200 ppm N solution, whereas with a 15-15-15 fertilizer containing 15% nitrogen, 18 ounces are required to make 100 gallons of a 200 ppm solution.
		Fertilizer stock solutions are mixed according to the fertilizer injector ratio: each injector will deliver a certain amount of stock solution for each increment of irrigation water that passes through the injector.
		You have a fertilizer injector with a 1:128 ratio and are using a 25-10-10 (%N-%P2O5-%K2O) fertilizer.
	www.umass.edu /umext/floriculture/fact_sheets/greenhouse_management/fertcalc.html (2090 words)

	Fertilizers \| Plant Nutrients in Garden Fertilizer
		All fertilizers have three numbers on the label which indicate the fertilizer analysis, or "percentage by weight" of nitrogen, phosphorus and potassium, in that order.
		For example, a 10-10-10 fertilizer is a 1-1-1 ratio, and a 20-10-5 fertilizer is a 4-2-1 ratio.
		High analysis fertilizers (those with larger numbers on the label) would be applied at a lower rate to yield the same results.
	www.donnan.com /fert.htm (816 words)

	Fertilizing Lawns
		For lawns, the best yearly fertilization program is based on soil analysis results and usually includes a combination of one or two applications of a complete fertilizer and several supplemental applications of a nitrogen fertilizer.
		While nitrogen fertilization is based on the desired growth rate and type of turfgrass being grown, the phosphorus and potassium fertilization rate should be based on the analysis of a soil sample and the recommendations obtained from it.
		Divide 100 by 16 (16 is the percent N in the fertilizer).
	hgic.clemson.edu /factsheets/HGIC1201.htm (1875 words)

	Components and Uses of Fertilizers in the Garden
		Understanding the fertilizer analysis is essential to purchasing and applying the right kind of fertilizer.
		Fertilizers, such as 10-20-10, are identified on their package, by their analysis.
		Water soluble types are mixed with water and the feeding is accomplished by sprinkling onto the leaves of the plant (foliar feeding) or used as part of the watering process, in which the plant takes in the nutrients systemically (through the roots).
	www.thegardenhelper.com /fertilizer.html (427 words)

	Fertilizer (Site not responding. Last check: 2007-10-28)
		Gas will be allocated to new fertilizer plants on the principle of first come, first served basis.
		Recognizing the expected growth in fertilizer demand, the government has decided to dedicate the shallow reservoir of Mari Gas field to the Fertilizer Industry.
		Withholding taxes at the time of import of fertilizer shall be adjusted against assessed income tax of the year in case fertilizer is imported by a manufacturer of Fertilizer.
	www.pakboi.gov.pk /Industry_Data/fertilizer.html (402 words)

	Fertilizer Economics 101: Can You Afford to Fertilize?
		With one pound of nitrogen costing 48 cents and it producing 40 pounds of grass, the cost of fertilizer in a pound of additional forage is $.012 ($.48 ÷ 40 lbs.) or $24 per ton.
		It would appear, however, that fertilizing your grass for grazing would be less than half the cost of purchasing hay.
		Fertilizing an existing stand of bermudagrass would be more economical and less risky.
	www.noble.org /Ag/Economics/Fertilizer101/index.html (759 words)

	Orchid Fertilizer
		Fertilizer mixtures can be defined as follows: a fertilizer mixture should contain all food components, other ingredients and additional agents that, besides water, CO2 and light, are necessary to optimize orchid growth, blooming and protection in cultivation.
		Fertilizer components and ingredients should be present on roots and leaf surfaces in such chemical and physical states that these components and ingredients can be readily absorbed through the root and leaf skins or cell membranes.
		When fertilizer solutions are made available to the roots and leaves of orchids, the absorption of fertilizers by roots or leaves is proportional to the surface area that the fertilizers cover.
	www.mohltimedia.com /orchid_fertilizer.html (1617 words)

	Fertilizer
		A dry granular fertilizer is usually the least expensive and easiest to spread over a large area.
		Fertilizer granules can be coated with something that releases the nutrients slowly over a period of weeks or months, depending on the coating.
		These slow-release fertilizers are very useful in indoor plants and containers, but may be too expensive for general use.
	www.miamitropicalbonsai.com /fertilizers.htm (501 words)

	Aquarium plant fertilizer
		Fertilization of aquarium plants has been a problem from the start because of the varied and specialized habitats that the plants come from.
		Normal fertilizer mixes made for garden and pot plants are made with large quantities of the macro nutrients and small portions of the micro-nutrients.
		It must also be noted that fertilizers for the production of aquarium plants are not suitable for the aquarium and will cause problems (mainly algae).
	www.aquariumplants.co.za /fertilizer.htm (630 words)

	Fertilizer (Site not responding. Last check: 2007-10-28)
		This is detrimental to your lawn as it promotes shallow root growth, results in inefficient use of soil nutrients, and may lead to the greater use of fertilizers, pesticides and herbicides.
		If you are contemplating installing an in ground sprinkler system, we strongly recommend that you use a contractor who is certified by the Irrigation Association as they are trained in the design and installation of in ground irrigation systems (www.irrigation.org).
		Generally speaking, the problem with "four bag" chemical fertilizer products is that pesticides and herbicides are included with the fertilizer and are therefore applied to the lawn whether they are needed or not.
	www.scwa.com /environment/fertilizer.cfm (2013 words)

	Fertilizer (Site not responding. Last check: 2007-10-28)
		By definition, a fertilizer is "any organic or inorganic material of natural or synthetic origin which is added to a soil to supply elements essential to the growth of plants." (Brady, Soils, 1974)
		Bone meal, rock phosphate, manure, or manufactured nitrogen fertilizer may be added to soil to supply elements essential to the growth of plants.
		Inorganic fertilizer, however, is immediately available to plants, whereas organic fertilizer must be converted by micro-organisms in the soil to an inorganic form before it can be used by the plants.
	www.landscapemall.com /fertiliz.htm (943 words)

	Fertilizer: Application (Organic Vs Inorganic)
		Lawns should be fertilized on approximately May 15 with 2 to 2.5 kg of 27-14-0 or 26-13-0 per 100 m2.
		With a fertilizer spreader adjusted to the lowest possible setting, walk north-south over the lawn area with half the amount, and then east-west with the other half.
		Whether a gardener chooses to use organic, inorganic or a combination of both types of fertilizers, it's important to follow the guidelines regarding timing of application, placement of the fertilizer, and the proper amount of fertilizer to be used.
	gardenline.usask.ca /misc/fertili2.html (908 words)

	Fertilizer: Application (Organic Vs Inorganic)
		Lawns should be fertilized on approximately May 15 with 2 to 2.5 kg of 27-14-0 or 26-13-0 per 100 m2.
		With a fertilizer spreader adjusted to the lowest possible setting, walk north-south over the lawn area with half the amount, and then east-west with the other half.
		Whether a gardener chooses to use organic, inorganic or a combination of both types of fertilizers, it's important to follow the guidelines regarding timing of application, placement of the fertilizer, and the proper amount of fertilizer to be used.
	www.gardenline.usask.ca /misc/fertili2.html (908 words)

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