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en.wikipedia.org/wiki/Fertilizer

A fertilizer (American English) or fertiliser is any material of natural or synthetic origin (other .... Ammonium nitrate (NH4NO3) is also widely used. ... This ammonia is used as a feedstock for all other nitrogen fertilizers, such as anhydrous ..... The development of synthetic fertilizer has significantly supported global population ...

extension.oregonstate.edu/gardening/node/955

Apr 30, 2008 ... If you need only a certain element such as nitrogen and want it to be ... an inorganic fertilizer such as ammonium nitrate might be in order.

www.todayshomeowner.com/debate-over-organic-chemical-fertilizers

Long-term use of chemical fertilizer can change the soil pH, upset beneficial microbial ecosystems, increase pests, and even ..... The Debate over Organic vs.

www.diffen.com/difference/Chemical_Fertilizer_vs_Organic_Fertilizer

A chemical fertilizer is defined as any inorganic material of wholly or partially ... 3 Cost; 4 Supply of nutrients; 5 Acid content; 6 NPK ratio; 7 History; 8 Use ... ammonium phosphate, ammonium nitrate, urea, ammonium chloride and the like.

www.noble.org/news/publications/ag-news-and-views/2007/january/back-to-basics-the-roles-of-n-p-k-and-their-sources

Jan 3, 2007 ... I want to use this article to address commonly asked questions regarding ... Most nitrogen fertilizer sources are made from anhydrous ammonia; Safety ... Liquid composed of one-half urea and one-half ammonium nitrate; Urea ...

www.cropnutrition.com/fertilizers-and-soil-acidity

Mosaic Fertilizer Technology Research Centre - April 2013 Source: Fertiliser ... Nitrate-based products are the least acidifying of the nitrogen fertilizers, while ... due to use of phosphorus fertilizers is small compared to that attributed to nitrogen, ...

www.motherjones.com/food/2013/04/history-nitrogen-fertilizer-ammonium-nitrate

Apr 19, 2013 ... Plant-available nitrogen, known as nitrate, is actually scarce, and for ... air and transform it into something that plants could use—became, well, ...

www.bbc.co.uk/schools/gcsebitesize/science/add_gateway_pre_2011/chemical/fertilisersrev1.shtml

Fertilisers contain minerals such as nitrogen, potassium and phosphorus, which help plants to grow. ... Potassium nitrate, KNO3, potassium and nitrogen ...

www.ncbi.nlm.nih.gov/pmc/articles/PMC4025000

Apr 22, 2014 ... Keywords: inorganic fertilizer, lettuce, liquid fertilizer, nitrate, organic fertilizer .... The amount of nitrogen fertilizer used in this study was based on the Council of .... Compared with the CK-grown lettuce, the lettuce grown in soil ...

www.kno3.org/product-features-a-benefits/comparison-of-potassium-nitrate-to-different-n-and-k-sources

Potassium nitrate offers substantial benefits, compared to sulphate of potash ( SOP) ... Full-range compatibility with other fertilisers and agrochemicals. ... Potassium nitrate contains 13 % nitrogen (N) and 46 % potassium (K2O). ... it is recommended to use a mix of potassium nitrate and potassium sulphate at the required ...