| http://www.w3.org/ns/prov#value | - A typical fertilizer recommendation consists of guidelines for:The rate: specifying how much fertilizer is needed to supplement the nutrients supplied from the soil;The types or forms of fertilizers to use: soluble, dry granular, fluid, controlled-release, etc.;Fertilizer sources to supply specific nutrients, for example, nitrogen may be supplied from urea, ammonium sulfate, calcium nitrate, ammon
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