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Macronutrient

One of the six essential elements required by plants in larger quantities (0.2 to 7%). They are: nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), and sulphur (S).

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  • Part of Speech: noun
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  • Blossary:
  • Industry/Domain: Plants
  • Category: Horticulture
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macronutrient
Natural environment; Coral reefs

A nutrient, such as a nitrate or phosphate, that is required by plants in relatively large quantities in order to undergo photosynthesis and growth.

macronutrients
Biology; Cell biology

1. Elements needed by plants in relatively large (primary) or smaller (secondary) quantities. 2. Foods needed by animals daily or on a fairly regular basis.

macronutrient
Health care; Nutrition

Nutritionists often group nutrients into two subclasses, called macronutrients and micronutrients. Macronutrients refer to those nutrients that form the major portion of your ...

macronutrient
Biotechnology; Genetic engineering

For growth media: an essential element normally required in concentrations >0.5 millimole/l.

macronutrient
Plants; Plant pathology

An element needed in relatively large quantities for plant growth, e.g. nitrogen (N), phosphorus (P), and potassium (K); (see micronutrient. )

macronutrient
Earth science; Soil science

A plant nutrient found at relatively high concentrations ( >500 mg kg-1) in plants. Usually refers to N, P, and K, but may include Ca, Mg, and S.

bark
Plants; Horticulture

The rough outer part of the cortex; loosely used for the entire cortex.

articulate
Plants; Horticulture

Having nodes or joints where separation may naturally occur.

annular
Plants; Horticulture

Ring-like; said of leaf scars that encircle the bud, or bundle scars that are circular with an opening in the center.

anterior
Plants; Horticulture

On the front side, away from the axis, toward the subtending bract.

aphid
Plants; Horticulture

a small green or white insect that sucks juices from plant parts

apomixis
Plants; Horticulture

process of producing viable seed without fertilization

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