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Examples

  • Fertilizer and other agricultural chemicals only have to report their N-P-K (nitrogen, phosphorus, potassium) content so we have no idea what\'s been put on the fields where our food is grown. '

    OpEdNews - Quicklink: Coal Ash On Our Fields 2009

  • N-P-K, the first acronym we learn in agricultural education.

    Farming in Space Stephen D. Covey 2009

  • Fertilizer and other agricultural chemicals only have to report their N-P-K (nitrogen, phosphorus, potassium) content so we have no idea what's been put on the fields where our food is grown.

    OpEdNews - Quicklink: Coal Ash On Our Fields 2009

  • The numbers on a fertilizer bag, in N-P-K order, indicate the percentage of nitrogen, phosphorous, and potassium, respectively, on a weight basis.

    Tip of the Day: Fertilize your lawn this fall 2008

  • Many factors influence how much nitrogen is applied and used, including soil moisture, timing of fertilizer application, labour availability, inherent soil quality and type, farming systems, and major macro-nutrient availability (N-P-K) (see Chapter 3).

    Global Environment Outlook (GEO-4)~ Chapter 8 2008

  • The numbers on a fertilizer bag, in N-P-K order, indicate the percentage of nitrogen, phosphorous, and potassium, respectively, on a weight basis.

    Tip of the Day: Fertilize your lawn this fall 2008

  • Shift to complete fertilizer (N-P-K) starting on the 4th year by applying 500 9 per tree twice a year.

    Chapter 23 1992

  • Water with a liquid fertilizer solution containing N-P-K plus micro-nutrients.

    Chapter 25 1990

  • The crop can be tissue-tested while growing in the field for N-P-K levels in the sap.

    Chapter 9 1981

  • If no soil test results are available for a farmer's field, a reasonable estimate of N-P-K needs can be made based on at least four or more of the following criteria:

    Chapter 9 1981

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