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Questions tagged [nutrient-cycles]

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Get NPK values of soil without spectroscopy

I stumbled upon this new device called Teralytic. Which can measure salination, NPK values and all sorts of things. Unfortunately it's sold out and I think when it'll be available again rather ...
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Are nutrient cycles described in terms of a level of health or of degradation?

Nutrient cycles such as the carbon cycle, water cycle, or nitrogen cycle underlie much of our day-to-day, year-to-year activities and well-being. Is there a term or system of assessing how "healthy" ...
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What is the relationship between net primary productivity and emergy?

Looking at the Earth system as a whole and considering ecological economics, net primary productivity and emergy are two concepts that strike me as fundamental and likely related. I'm not sure what ...