Delaware's land-grant extension publishes a method — not a one-size-fits-all rate. Delaware Coastal Plain — UDel uses classical Adams-Evans with p-nitrophenol reagent. 67% ECCE published basis. Live calculator uses this state's published method and citation. Enter the required soil-test values in the free calculator for tons of CaCO₃-equivalent per acre, ECCE-adjusted, with the citation.
Published source: Coastal Plain Adams-Evans lime method (University of Delaware calibration)
It depends on the inputs Delaware's land-grant method publishes — not a single national number. Delaware Coastal Plain — UDel uses classical Adams-Evans with p-nitrophenol reagent. 67% ECCE published basis. Enter your values in the free Zone Forge lime calculator for tons of CaCO3-equivalent per acre, with the citation.
Delaware Coastal Plain — UDel uses classical Adams-Evans with p-nitrophenol reagent. 67% ECCE published basis. Source: see the calculator citation. Source: Coastal Plain Adams-Evans lime method (University of Delaware calibration).
Zone Forge computes Delaware lime from that state's published land-grant method (the lab values required by this state's published method) — lime calculator, soil-test fertilizer, and full variable-rate prescriptions. See the science →