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29-06-2010, 03:43 AM
posted to rec.gardens.edible
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Return On Investment
phorbin wrote:
In article , says... Assuming that you can still feed the numbers required. OTOH if you don't use all the chemferts that require energy to manufacture then you are saving some at that end. You probably already know that nitrogen production uses natural gas as its feedstock... Yes. The Haber process produces greenhouse gases as a by-product and it is a factor in the overall energy economy as that natural gas could be used (for example) to generate electric power or to run cars. The process can also use other hydrocarbons or none at all. The haber process can be run from hydrogen produced electrolytically which doesn't generate GHG if you get your electricity from renewable sources but that would increase the price of fertiliser at current renewable electricity prices. David |
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