Nitrogen-Phosphorous-Potassium Macro Nutrients Fertilizer Terms Nitrogen-Phosphorous-Potassium Macro Nutrients

Incomplete Fertilizer- Fertilizer containing only one or two of the three major nutrients Nitrogen- Phosphorous- Potassium Example: 34-0-0 Ammonium Nitrate

Granular- Small pelleted form of dry fertilizer

Slow Release- Fertilizer designed for release over an extended period, may be large pellet or prill

Polymer-coated Urea

Liquefied gas- Gas injected under pressure into soil by long tubes ended with blades

Complete Fertilizer Fertilizer containing percentages of Nitrogen, Phosphorous, and Potassium

Prill Slow release fertilizer-dry fertilizer core with plastic type coating designed to activate when wet

Atomic Weight Weight of an element relative to the standard weight of oxygen (16)

Conversion Factor- Means of converting K2O (phosphate) and P2O5 (potash) to actual potassium and Phosphorus

Liquid Fertilizer- Concentrated liquid which must be diluted before application

Micronutrient- Nutrients needed in small quantities for good plant growth Examples Fe, Mn, B, Cu, Zn, Mo, Cl Iron, Manganese, Boron, Copper, Zinc, Molybdenum, Cloride

Secondary Nutrients The Synthesizers Nutrients needed in relatively large amounts Calcium Ca Magnesium Mg Sulfur S

Macronutrient- Nutrients needed in Large Amounts for good plant growth

Water Soluble- A dry form of fertilizer used in greenhouses applied through injector systems

Organic Fertilizer- Naturally-occurring fertilizer-example: bone meal

Inorganic Fertilizer- Fertilizer created by a chemical process

pH percent Hydrogen indication of soil acidity. Smaller pH indicates more acid lever of soil pH of 6-7 is best