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Essential Nutrients The 17 essential elements are:
carbon (C), hydrogen (H), oxygen (O), phosphorus (P), potassium (K), nitrogen (N), sulfur (S), calcium (Ca), iron (Fe), magnesium (Mg), boron (B), manganese (Mn), copper (Cu), zinc (Zn), molybdenum (Mo), chlorine (Cl), and nickel (Ni)
It is easier to remember them using their element symbol along with the following saying,
"See (C) HOPKiNS (guy's last name) CaFe managed (Mg) by (B) mine (Mn) cuzins (Cu and Zn) (ignore poor grammar and spelling) Mo, Claude (Cl) and Nick (Ni)." Unfortunately they're not in macro-micro order but hey you can't have it all.....
In general the "macronutrients" are phosphorus (P), potassium (K), nitrogen (N), sulfur (S), calcium (Ca), and magnesium (Mg), and the "micronutrients" are iron (Fe), manganese (Mn), boron (B), zinc (Zn), copper (Cu), molybdenum (Mo), chlorine (Cl), and nickel (Ni) although, presently, nickel is not considered to be essential for tree fruits.
**Click on a particular underlined element above to go to more information regarding that nutrient. The pages that follow are intended to give an overview of each particular essential element with emphasis placed on apple orchard systems. "Ideal concentration ranges" found within are given as a general guideline. Actual values may vary. Updated
July 12, 2004
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