iCEV Plant Science Part 4

Required in a relatively large proportion for the growth and development of plants

Nutrients required in a smaller amount

Source of plant nutrients used to supply one or more of the essential nutrient elements to the plant

Grade of the fertilizer

Water Insoluble Nitrogen

Water Soluble Nitrogen

Contains the three macronutrients: Nitrogen, Phosphate and Potassium

Missing at least one of the major components of Nitrogen, Phosphate and Potassium

Packaged for certain uses or types of plants

Release nutrients at a rate which makes them available to the plants over a long period of time

Derived solely from the remains or by-products of a once-living organism

Completed by evenly spreading the recommended rate of fertilizer over the growing area

Refers to the application of fertilizers to plant foliage

Any life form that competes for resources or can be dangerous to another’s health

Parasites, sustains life and gains nutrition from another source

Any condition in a plant caused by living and nonliving agents that interferes with its normal growth and development

Any substance that reduces, prevents, repels or eliminates pests

Affect insects

Affect snails

Affect nematodes

Affect rodents

Affect birds

Affect fish

Affect weeds