Commodity Code

nitrate

http://resource.geosciml.org/classifier/cgi/commodity-code/nitrate

definition Nitrates are mainly produced for use as fertilizers in agriculture because of their high solubility and biodegradability. The main nitrates are ammonium, sodium, potassium, and calcium salts. Several million kilograms are produced annually for this purpose. more like this
notation
02.04.01 more like this
Nitr more like this
source http://en.wikipedia.org/wiki/Nitrate more like this
type
Resource
Concept
broader chemical compound product
narrower nitrate
in scheme commodity code
is primary topic of nitrate