Web Results



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...

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


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” standard...

Understanding Fertilizers - Colorado State University Extension


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.

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


A chemical fertilizer is defined as any inorganic material of wholly or partially synthetic ... 5 Acid content; 6 NPK ratio; 7 History; 8 Use; 9 References ... sulphate, ammonium phosphate, ammonium nitrate, urea, ammonium chloride and the like.

What Causes Fertilizer Explosions | Ammonium Nitrate - Live Science


Apr 18, 2013 ... The ammonium nitrate used in fertilizer is behind many of the worst ... Nitrogen, phosphorous and potassium are essential plant nutrients, and ...

Nitrate - Pure Nutrient - Yara


calcium ammonium nitrate and nitrate-based NPK ... The golden rule in fertilizer use remains simple: apply the ... nitrogen efficiency compared to urea.

Nitrate Fertilizer - Yara


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.

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


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, ...

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


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 ...


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).

More Info

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


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.

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


I want to use this article to address commonly asked questions regarding the role of ... Usually the least expensive source of nitrogen fertilizer (per pound nitrogen) ... Can blend with most dry fertilizer sources (except for ammonium nitrate).

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


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, ...