A fertilizer (American English) or fertiliser (British English) is any material of
natural or synthetic .... Compound fertilizers, which contain N, P, and K, can often
be produced by mixing straight...
Modern synthetic fertilizers are composed mainly of nitrogen, phosphorous, and
... waste from different manufacturing processes, and other assorted trash.
A secondary school revision resource for OCR Gateway GCSE Science about
chemical resources, fertilisers and crop yields.
Synthetic vs. Organic Fertilizers by Jerry Gach. Organic Fertilizers are materials
derived from plant and animal parts or residues. Examples are, Blood Meal, ...
The industrial production of fertilisers involves several processes. ... at least 38
countries and has interests in synthetic fuels, mining, oil, gas and chemistry. ...
Hydrogen is usually produced by the steam reforming of methane gas (natural
Apr 18, 2013 ... The unfolding disaster in West, Texas due to an explosion at a fertilizer
manufacturing facility leaves a lot of questions. Here are answers to a ...
A 'green' controversy exists between those who believe that no 'artificial' fertilizers
should be used and those who believe that manufactured fertilizers have to ...
Apr 30, 2008 ... Organic fertilizers such as manures, compost or bone meal are derived ... or
synthetic fertilizers, because they go through some manufacturing ...
Inorganic fertilizers are manufactured through chemical processes using
naturally ... Synthetic fertilizers, such as urea and urea formaldehyde, are
Jul 30, 2013 ... Superphosphate is an artificial fertiliser and is the most important fertiliser ...
Superphosphate manufacture began in New Zealand in 1882, and ...