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Topic: Chemical fertilizers

In the News (Thu 17 Dec 09)

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	INTRODUCTION TO FISH POND FERTILIZATION
		If sufficient light and proper temperature are present, the nutrients in chemical fertilizers (nitrogen, phosphorous and potassium) are readily assimilated by phytoplankton and their abundance increases.
		Chemical fertilizers are concentrated nutrients for green plants.
		Two disadvantages of chemical fertilizers, especially for isolated farms operated on a limited budget, are that they are usually expensive and available only from commercial suppliers.
	www.ag.auburn.edu /fish/icaae/fertilization.htm (1218 words)

	Fertilizers (Site not responding. Last check: 2007-10-25)
		Fertilizers are expensive to manufacture, and in the U.S., approximately 2% of the natural gas consumed is used to make nitrogen fertilizer.
		Fertilizers often produce plants quickly and in large quantities, but over time they become less and less effective and eventually leaving the land collapsed and the soil depleted.
		Ontario's guidelines require that each field on which sludge fertilizer is to be spread must be approved and monitored to ensure the mandated nitrogen to heavy metal ratio is not exceeded.
	www.anarac.com /fertilizersewage_sludge.htm (1735 words)

	Whitney Farms Organic Gardening - FAQs - Organic Gardening (Site not responding. Last check: 2007-10-25)
		Organic fertilizers and amendments are meant to develop a healthy and vital population of the organisms that make nutrients available to plants.
		Natural fertilizers may be more expensive, but they will improve the ability of the soil to retain and release nutrients that will reduce a garden's overall fertilizer needs.
		(chemical fertilizers are by definition salt-based) Furthermore, many of the less expensive forms of these products utilize sources or raw materials that are very high in chloride, also toxic to microbial life.
	www.whitneyfarms.com /guide/faqs/faq_organic.shtml (1639 words)

	Toxic Wastes Found in Fertilizers Cat Lazaroff / ENS 7may01
		Fertilizers were purchased in 12 states and tested by Frontier Geosciences, an independent laboratory based in Seattle and accredited by the U.S. Environmental Protection Agency (EPA).
		Because fertilizer labeling laws only require beneficial nutrients, like zinc or phosphate, to be listed, fertilizers are sold directly to the public and farmers without warnings or information that informs consumers about the presence and quantity of toxic metals.
		Fertilizers should not be exempted from hazardous waste treatment, storage and disposal tracking requirements, the report notes.
	www.mindfully.org /Farm/Toxic-Wastes-Fertilizers.htm (1155 words)

	Fertilizers
		Chemical fertilizers are usually manufactured and have the advantage of low cost.
		Thus, the inorganic fertilizers are "fast," while the organic fertilizers tend to be more "time- release." A potential drawback of organic fertilizers is that they may not release enough of their principal nutrient at a time to give the plant what it needs for best growth.
		Because organic fertilizers depend on soil organisms to break them down to release nutrients, most of them are effective only when soil is moist and the soil temperature is warm enough for the soil organisms to be active.
	hgic.clemson.edu /factsheets/HGIC1654.htm (2170 words)

	ICL:AgGrand Liquid Organic Fertilizers P.6
		Other high analysis fertilizers contain artificial, chemical additives that promote short term growth at the expense of the soil as well as the health of the plant.
		In fact, the finest and most cost effective fertilizers for biological gardening and farming are formulated with both seaweed and fish as primary ingredients.
		Salt based fertilizers often change soil in ways that reduce micro nutrients and earthworm populations, and consequently reduce nutrient cycling, decrease soil organic content, increase soil compaction and damage soil structure.
	www.geocities.com /amsoildealericl/p6.html (1457 words)

	Organics: An Alternative to Synthetic Fertilizers (Site not responding. Last check: 2007-10-25)
		When chemical fertilizers are put into the soil they dissolve and seek natural combination with minerals already present.
		Chemical fertilizers do not work on the soil but are enforcedly imbibed by plants,”; Tompkins explains.
		Natural fertilizers are mostly water insoluble, Pacific Organics notes, and they are derived from organic materials that break down and release their nutrients slowly.
	www.igin.com /Landscaping/organics.html (1885 words)

	The TRUTH About CHEMICAL FARMING
		They believe that without water-soluble chemical fertilizers they would produce very little, and that without insecticides, the little they grew would be consumed by the insects driven to their farms by their neighbors' insecticides.
		This type of fertilizer is not dissolved by water -- it is gradually changed into plant food by the action of carbonic acid, nitric acid, and other organic acids that are formed by the decomposition of organic matter.
		When sulphate of ammonia is used as a fertilizer, the ammonia is taken into the plant while the sulphate, left free, joins itself to hydrogen in the soil and becomes sulphuric acid, a poison that is deadly to the natural organisms in the soil.
	www.hope-of-israel.org /fert.htm (3339 words)

	Earth Action Index - Problem - Agriculture - harmful effects of chemical fertilizers
		Fertilizers derived from petrochemicals have largely replaced organic fertilizers in mechanized farming.
		One problem with this practice is that chemical fertilizers are more easily removed from the soil before they can be absorbed by the crops as intended.
		The fertilizers are dissolved by rain and snow, which may run off croplands into surface water or leach downward into the groundwater system.
	earthactionindex.org /problem.asp?ItemID=312 (189 words)

	Fertilizer - Wikipedia, the free encyclopedia
		Fertilizers (British English, also fertilisers) are compounds given to plants to promote growth; they are usually applied either via the soil, for uptake by plant roots, or by foliar feeding, for uptake through leaves.
		There are six macronutrients: nitrogen, potassium, and phosphorus, often termed 'primary macronutrients' because their availability is often managed with NPK fertilizers, and the 'secondary macronutrient', and calcium, magnesium, and sulfur, which are required in similar quantities but whose availability is often managed as part of liming and manuring practices rather than fertilizers.
		Horticultural fertilizers may be water-soluble (instant release) or relatively insoluble (controlled release).
	en.wikipedia.org /wiki/Chemical_fertilizer (2448 words)

	Chemical Fertilizers - Chemical Fertilizers Manufacturers,Chemical Fertilizers Suppliers & Exporters
		Manufacturer and exporter of fertilizers, organic fertilizers, liquid fertilizers, natural fertilizers, agricultural fertilizers, soil fertilizers, farming fertilizers, chemical free fertilizers, foliars, urea fertilizers and water soluble fertilizers.
		Manufacturer and supplier of industrial chemicals such as Mapo, Mato-Bond and potassium metal that is primarily used in fertilizer as either the chloride, sulfate, or carbonate and storage.
		Importers of nitrogen fertilizers, phosphorus fertilizers, potassium fertilizers, calcium nitrate, potassium nitrate, methanol, sodium metoxide (smo), 6 benzyl adenine (6ba) and chlorfenuron (cppu).
	catalogs.indiamart.com /products/chemical-fertilizers.html (1186 words)

	Chemical Fertilizers (Site not responding. Last check: 2007-10-25)
		Modern agriculture is dependent on chemical fertilizers which are manufactured on mined.
		Many fertilizers are blended to give the crop exactly what it needs - as recommended from a soil test.
		Phosphorus and potassium fertilizer nutrients are reported as oxides - a remnant of early forms of chemical analyses but confusing to the average farmer.
	interactive.usask.ca /Ski/agriculture/soils/soilfert/soilfert_chem.html (381 words)

	Chemical Industry In India,Chemical Manufacturers,Fertilizer Manufacturers,Chemical Fertilizers
		Engaged in supplying and exporting ceramic colour chemicals that includes cobalt oxide, cobalt carbonate, cobalt nitrate, tin oxide, nickel oxide and nickel carbonate.
		Manufacturer and exporter of industrial use chemicals such as zinc oxide powder, metallic zinc oxide, zinc salts, zinc pigments, zinc chloride, zinc hydroxide, zinc carbonate and activated zinc oxide.
		Engaged in exporting of industrial chemicals, industrial copper chemicals, penyahydrate copper sulphate, anhydrous cupric chloride, di hydrate cupric chloride, fl cupric oxide, organic copper acetate and copper nitrate.
	catalogs.indiamart.com /category/chemicals-fertilizers.html (1068 words)

	Are Cheap Chemical Fertilizers really Cheap?
		Chemical based fertilizers are known to be cost-effective and can accurately supply plants with the proper balance of Nitrogen, Phosphorus and Potash (NPK).
		Unlike chemical fertilizers, that tend to evaporate and leach into the ground water, these micro-organism's literally retain the nutrients in their own "Food Bank" and allow the plants to use what is needed now, while storing the rest for future seasons.
		Regardless of how careful and conscientious we are we can never be assured that chemicals won't find their way into places they were not intended to go.
	www.allwoodwork.com /article/gardening/arechemicalfertilizerscheap.htm (758 words)

	CHEMICAL FERTILIZERS, HERBICIDES AND PESTICIDES - COMPOSTING, GLACIAL ROCK DUST
		The production of chemical fertilizers, herbicides and certain pesticides must be outlawed.
		Nitrates in chemical fertilizers destroy vitamins A and E and cause cancer in mice.
		Compost made from matter that has been grown and treated with chemical fertilizers, herbicides and pesticides is just as toxic as the original chemicals.
	www.citizengadfly.com /DOCS/N/N-CHEMICAL.htm (1074 words)

	The Use of Humates with Chemical Fertilizers
		Intensive agricultural systems demand the use of large quantities of mineral fertilizers in order to supply the plants with basic micro-elements, such as nitrogen, phosphorus, and potassium.
		The higher the amount of mineral fertilizer used, the more intensive is the erosion of the soil, the poorer the soil’s humus content, and the environment is more polluted.
		The difficulty of its solution lies in the fact that water soluble potassium and nitrogen fertilizers are easily washed out of the soil, while phosphorus fertilizers, on the contrary, bond with ions of Ca, Mg, Al, and Fe that are present in soil and form inert compounds, which are inaccessible to plants.
	www.teravita.com /Humates/Chapter7.htm (893 words)

	Chemical Fertilizers Supplier,Agricultural Chemical Fertilizer,Exporter Of Fertilizers,Wholesale Agricultural ... (Site not responding. Last check: 2007-10-25)
		Chemical Fertilizers Supplier,Agricultural Chemical Fertilizer,Exporter Of Fertilizers,Wholesale Agricultural Fertilizer,India
		Scientific Agriculture Laboratory believes in empowering the Indian farmers by manufacturing fertilizers and bio-pesticides that are eco-friendly and are able to boost the profits of the farmers of our nation.
		Fertilizers : Fertilizers on the other hand include a large number of natural and synthetic materials, including manure and nitrogen, phosphorus, and potassium compounds, spread on or worked into soil to increase its capacity to support plant growth.
	www.indiamart.com /sal (692 words)

	Fertilizer Unit, Ministry of Agriculture, Nepal (Site not responding. Last check: 2007-10-25)
		While the earlier policy focused on chemical fertilizer only, one of the most important feature of the NAFP is to broaden the definition of fertilizer with the adoption of a broad-based definition for fertilizer.
		With the deregulation of the fertilizer trade in 1997, fertilizer has already become a free entity which can be imported by any one in the country.
		For the fertilizer whose specificationis not approved by the government, one is required to register with the Ministry of Agriculture and Cooperatives before importing into the country.
	www.fadinap.org /nepal/policy.html (782 words)

	Microbial And Organic Fertilizers In Asia (Site not responding. Last check: 2007-10-25)
		This strong focus on chemical fertilizer use has meant that the soil has tended to be regarded as an inert medium for plant roots, rather than as a living biosphere in which the crop is only one of hundreds or thousands of interacting species.
		The use of organic fertilizers and microbial materials is an important part of this new attempt to make agriculture a viable part of a healthy ecosystem.
		If too much nitrogen fertilizer is applied, whether in the form of organic matter or chemical fertilizer, some of the excess nitrogen is converted to nitrates, which are harmful to human health.
	www.agnet.org /library/article/ac1994e.html (1922 words)

	Fertilizers Agrochemicals Chemicals Business
		- Exporter of potash fertilizers from Russia and Belarus.
		Its fertilizers are tailored made to suit crop, climate and soil conditions in different regions of China.
		- Nitrogen and phosphate fertilizers, agriculture chemical wholesale disbributors, brokers and traders.
	www.iaswww.com /ODP/Business/Chemicals/Agrochemicals/Fertilizers (1403 words)

	Lawn Fertilizer – Organic or Synthetic
		Fertilizers are products which contain collections of essential (chemical) elements needed for plant growth.
		Because salt based fertilzers dissolve quickly into thier chemical elements, synthetic fertilizers are also referred to as "Chemical" fertilizers.
		While you certainly should not eat synthetic fertilizers, they are no more "chemical" than water and table salt.
	www.suite101.com /article.cfm/home_lawncare/110295 (443 words)

	Common Sense Gardening Part 3: Organic And Inorganic Fertilizers
		In contrast, the nutrients in chemical fertilizers are already in inorganic form and so can be immediately used by the plants.
		With organic fertilizers a buildup of toxicity in the soil is unlikely, as long as the amount of organic material incorporated into the soil is fully decomposed.
		With inorganic fertilizers, the type and amount of any given element in the fertilizer formulation are known.
	gardenline.usask.ca /misc/common3.html (723 words)

	Reference.com/Web Directory/Top/Business/Chemicals/Agrochemicals
		Farm Bio-Tech - Bio-fertilizers in liquid and granules to replace chemical fertilizers and pesticides.
		Psyche Chemicals Co., Limited - Manufacturer and trader of agrochemicals, organic intermediates and veterinary chemicals.
		Trace Chemicals LLC - Offers a wide array of products to aid farmers in raising healthy crops, whether it be corn, cotton, soybeans, or small grains.
	www.reference.com /Dir/Business/Chemicals/Agrochemicals (1857 words)

	ICL:AgGrand Liquid Organic Fertilizers P.6
		Organic fertilizers promote growth by stimulating the health of the soil as well as the plant through “soft” methods vs. the “hard” mechanisms of chemical fertilizers.
		AG Natural Organic Fertilizer helps lawns develop deep root systems with proportional top growth by supplying nitrogen as part of a balance of nutrients.
		Natural Organic Fertilizer supplies its entire complement of nutrients as organic compounds, such as carbohydrates and proteins.
	www.geocities.com /inchemlube/p6.html (1435 words)

	Final 3 Organic vs. Chemical Fertilizers (Site not responding. Last check: 2007-10-25)
		These two factors, healthiness of the plant and effect of the fertilizer on the environment, will have a significant bearing on deciding what type of fertilizer will be more effective for use in the ecosystem.
		We found that plants that have been fertilized with organic fertilizer were the least healthy when compared to plants that had been fertilized with chemical fertilizer or plants that were not fertilized at all.
		The organically fertilized plants did not grow as big or produces as many bean pods as did the no fertilized or chemically fertilized plants.
	jrscience.wcp.muohio.edu /nsfall01/FinalArticles/Final3Organicvs.ChemicalF.html (2841 words)

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