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Fertilizer

en.wikipedia.org/wiki/Fertilizer

A fertilizer (American English) or fertiliser (British English) is any material of natural or synthetic .... This ammonia is used as a feedstock for all other nitrogen fertilizers, such as anhydrous...

Here's the scoop on chemical and organic fertilizers | Oregon State ...

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.

Nitrogen Fertilizers — Penn State Agronomy Guide — Penn State ...

extension.psu.edu/agronomy-guide/cm/sec2/sec28

When different nitrogen fertilizer materials are applied properly, they give the same ... can use nitrogen in one of two forms: ammonium nitrogen (NH4<sup>+</sup>) or nitrate ... Salt index of equal weights of the fertilizer material compared to sodium nitrate, ...

Fertilizers and Soil Acidity Fertiliser Technology ... - CropNutrition.com

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

Nitrate-based products are the least acidifying of the nitrogen fertilizers, while ... to use of phosphorus fertilizers is small compared to that attributed to nitrogen, ...

Effects of Nitrogen Fertilizers on the Growth and Nitrate Content of ...

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 ...

Fertilizer urea : Nitrogen : Nutrient Management : Agriculture ...

www.extension.umn.edu/agriculture/nutrient-management/nitrogen/fertilizer-urea/

Urea, a white crystalline solid containing 46% nitrogen, is widely used in the ... Urea can be readily nitrified – that is, converted to nitrate (NO3) – even when applied ... application of urea compared to the fall plowed-down application ( Table 4).

Nitrate Fertilizer - Yara

yara.com/doc/33521_Nitrate_-_Pure_Nutrient.pdf

agronomic and environmental impact of nitrogen fertilizer choices. Mineral nitrogen ... index. 46,6 % lower environmental index of ammonium nitrate compared to urea* ..... The golden rule in fertilizer use remains simple: apply the right amount.

Chemical Fertilizer vs Organic Fertilizer - Difference and ... - Diffen

www.diffen.com/difference/Chemical_Fertilizer_vs_Organic_Fertilizer

A chemical fertilizer is defined as any inorganic material of wholly or partially synthetic ... sulphate, ammonium phosphate, ammonium nitrate, urea, ammonium chloride and the like. ... Fertilizers are used to provide nutrients to the plants for their good growth. ... The total NPK for organic fertilizer blends will always be low.

The Urea Fertilizer: Description and Application - Crop Farming

www.cropsreview.com/urea-fertilizer.html

Jan 5, 2013 ... Urea is likewise the most widely used fertilizer worlwide. In 1961 the world consumption of urea was only 2 million tons as against 12 million tons for ... The alternative name 46-0-0 of urea fertilizer stands for its NPK content ... Fertilizers that cannot be mixed with urea: calcium nitrate, calcium ammonium ...

BBC - GCSE Bitesize: Fertilisers

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

We use cookies to ensure that we give you the best experience on our website. ... Fertilisers contain minerals such as nitrogen, potassium and phosphorus, which help plants to grow. ... Potassium nitrate, KNO3, potassium and nitrogen ...

More Info

Back to Basics: The Roles of N, P, K and Their Sources

www.noble.org

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 ...

Pros and Cons of Organic vs. Chemical Fertilizers | Today's ...

www.todayshomeowner.com

They are usually sold as “soil conditioners” rather than as fertilizer, because ... entirely of chicken litter and ground up feathers, with an N-P-K ratio of 7-1-2. ... Long-term use of chemical fertilizer can change the soil pH, upset beneficial ..... Highly combustible fertilizers, like ammonium nitrate, do not meet “organic” standar...

Understanding Fertilizers - Colorado State University Extension

www.ext.colostate.edu

understanding fertilizers, nitrogen, phosphate, potash. ... An organic fertilizer refers to a soil amendment derived from natural sources that ... These should not be confused with substances approved for use with the USDA ... Potassium nitrate. 13. 0 .... to blow the clippings onto the lawn rather than onto the sidewalk or street.