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Why - Department of Biological & Agricultural Engineering.doc

nitrogen as N. phosphorus as P2O5. potassium as K2O. To ease calculations, convert P2O5 and K2O to elemental P and K as follows: (1) (2) ...  Down

Fertilization - North Carolina State University.doc

To convert from P2O5 to P, multiply by 0.44. For example, a 50# bag of 10-10-10 (N-P-K) ... Fertilizer coverage is only as good as the water coverage, ...  Down

NC State University Document View - Center for.doc

The NCDA conversion factors calculate pounds of P and K per acre. To convert P to P2O5, multiply by 2.29. To convert K to K2O, multiply by 1.2. An example follows: ...   Down

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  • NC State University Document View - Center for ...

    The NCDA conversion factors calculate pounds of P and K per acre. To convert P to P2O5, multiply by 2.29. To convert K to K2O, multiply by 1.2. An example follows:

    www.cefs.ncsu.edu/resources/organicproductionguide/soilfertility...
  • extension.umd.edu

    Calculate nutrients as percent N, P2O5 and K2O to an as-received basis: Convert % nitrogen ... Convert % phosphorus (% P) from a dry-weight basis to an as-received …

    extension.umd.edu/.../_images/programs/anmp/Convert_Dry_Weight.doc
  • Chapter 8: TOTAL PHOSPHORUS - DEP Homepage

    Other types require a digestion step to convert the “combined” phosphate ... the corrected concentration of phosphate-phosphorus is: mg/L P = 0.558 x 50 mL ...

    www.dep.state.pa.us/dep/deputate/waterops/redesign/NPDES%20Lab/...
  • FERTILIZER MATERIALS AND CALCULATIONS

    p is based on p2o5 (phosphate) k is based on k20 (potash) show grade or analysis as follows. ... convert between elemental and oxide. p x 2.29 = p2o5 k x 1.2 = k20.

    www.soils.wisc.edu/extension/shortcourse/New_course_materials/...