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 'green' controversy exists between those who believe that no 'artificial' fertilizers
should be used and those who believe that manufactured fertilizers have to ...
Information about planting, harvesting, and dealing with the diseases of growing
melons in Minnesota home gardens.
Apr 30, 2008 ... Organic fertilizers such as manures, compost or bone meal are derived ... or
synthetic fertilizers, because they go through some manufacturing ...
Apr 25, 2013 ... Growing demand for fertilizer presents increased safety and environmental
concerns. ... emitters: two tons are released for every ton of ammonia produced.
.... U.S. FDA Approves "Artificial Pancreas" for Diabetes Treatment.
Inorganic fertilizers are manufactured through chemical processes using
naturally ... Synthetic fertilizers, such as urea and urea formaldehyde, are
A chemical fertilizer is defined as any inorganic material of wholly or partially ...
About, Chemical fertilizers are manufactured from synthetic material, Organic ...
Jul 30, 2013 ... Superphosphate is an artificial fertiliser and is the most important ... Compared to
clover, manufactured nitrogen fertiliser was found to be more ...
A secondary school revision resource for OCR Gateway GCSE Science about
chemical resources, fertilisers and crop yields.