Plants

Plants

Any of various photosynthetic, eukaryotic, multicellular organisms of the kingdom Plantae characteristically producing embryos, containing chloroplasts, having cellulose cell walls, and lacking the power of locomotion.

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Plants > Horticulture

exchangeable ions

Plants; Horticulture

Ions held on the soil complex that may be replaced by other ions of like charge. Ions which are held so tightly that they cannot be exchanged are called nonexchangeable.

expressed sap tissue testing

Plants; Horticulture

The use of analytical techniques to determine the nutrient content of plant sap.

ferric

Plants; Horticulture

The form of iron in the +3 valency form (Fe+3 ). Ferric iron is the insoluble form found in most soils.

ferrous

Plants; Horticulture

The form of iron in the +2 valency form (Fe+2). Ferrous iron is the primary form of iron plants absorb.

fertilizer application

Plants; Horticulture

Various methods of delivery of chemical fertilizer to the soil.

fertilizer formula

Plants; Horticulture

The quantity and grade of materials used in making a fertilizer mixture.

fertilizer grade

Plants; Horticulture

An expression that indicates the weight percentage of plant nutrients in a fertilizer. Thus a 10-20-10 grade contains 10 percent nitrogen (N), 20 percent phosphoric acid (P2O5) ...