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

phosphate rock

Plants; Horticulture

Phosphate-bearing ore composed largely of tricalcium phosphate. Phosphate rock can be treated with strong acids or heat to make available forms of phosphate. Finely ground rock ...

phosphoric acid

Plants; Horticulture

A term that refers to the phosphorus content of a fertilizer, expressed as phosphoric acid (P2O5). The AAPFCO has adopted as official the following : "The term phosphoric acid ...

plant cells

Plants; Horticulture

All living tissues have units of structural development. These units are miniature box-like compartments called cells.

plants

Plants; Horticulture

There are about 350,000 known species of plants. These species vary in their structure, habits of growth, size methods of reproduction, rate of growth, longevity, physiological ...

plant sample

Plants; Horticulture

A representative sample of plant tissue utilized for chemical analysis to determine plant nutrient status. Specific instructions have been developed for collection of tissue ...

plastids

Plants; Horticulture

Inside the cytoplasmic fluid are larger bodies of ovoid and spherical mass called plastids, which may be colorless or have various colors.

plowdown fertilizer

Plants; Horticulture

Fertilizer applied to the soil surface prior to tillage with a moldboard plow. Broadcast applications of nutrients, particularly phosphorus (P) and potassium (K), are often ...