Fertilizer Terms NitrogenPhosphorousPotassium Macro Nutrients Incomplete Fertilizer containing

Fertilizer Terms Nitrogen-Phosphorous-Potassium Macro Nutrients

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

Granularn Small pelleted form of dry fertilizer

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

Polymer-coated Urea

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

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

Prill n. Slow release fertilizerdry fertilizer core with plastic type coating designed to activate when wet

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

Conversion Factorn Means of converting K 2 O (phosphate) and P 2 O 5 (potash) to actual potassium and Phosphorus

Liquid Fertilizern Concentrated liquid which must be diluted before application

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

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

Macronutrientn Nutrients needed in Large Amounts for good plant growth

Water Solublen. A dry form of fertilizer used in greenhouses applied through injector systems

Organic Fertilizern Naturally-occurring fertilizerexample: bone meal

Inorganic Fertilizern Fertilizer created by a chemical process

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