macroelement


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macroelement

 [mak″ro-el´ĕ-ment]
a chemical element that has a minimal daily requirement greater than 100 mg; calcium, phosphorus, magnesium, potassium, sodium, and chloride are macroelements.

macroelement

/mac·ro·el·e·ment/ (-el´ĕ-ment) any of the macronutrients that are chemical elements.

macroelement

a chemical element required in relatively large quantities for the normal physiological processes of the body. Macroelements include carbon, hydrogen, oxygen, nitrogen, potassium, sodium, calcium, chloride, magnesium, phosphorus, and sulfur. See also macronutrient.

macroelement

a chemical element which has a minimal daily requirement greater than 100 mg; calcium, phosphorus, magnesium, potassium, sodium and chloride are macroelements.
References in periodicals archive ?
In this paper, a new macroelement model is developed for the analysis of the nonlinear response of shallow foundations under cyclic loading.
The minimum order of the reduced macro-element is affected mainly by the following factors: the size of the macro-element subdomain, the complexity of the structure embedded in the macroelement and the upper bound of the frequency band.
Strictly on an arbitrary and approximate scale, essential plant nutrients are divided into those required in greater concentration, the macroelements, and those required only in minute quantities, the microelements, some of which are shown in Table 9-1.
To evaluate the physiological status of second-growth pines on dunes, needle diagnostics was applied with special attention paid to the availability of macroelements vital for tree growth.
These will be based on macroelement by element constructed matrices.
Samecka-Cymerman A, Kempers AJ, Winetr B (2002) Metal and macroelement concentration and the effect of nutrient addition in terrestrial bryophytes growing on serpentine massifs in Lower Silesia, Poland.
Spruce contained lower CP and macroelement levels (except for K) when compared to these 2 species.
Effects of amino acids replacing nitrate on growth nitrate accumulation and macroelement concentrations in Pak-choi(Brassica chinensis L.
Changes in macroelement content of the media and in sweet cherry Inmil GM9 shoots during in vitro culture.
Photosynthetic photon flux influences macroelement weight and leaf dry weight per unit of leaf area in prune tree canopies.
The purpose was to evaluate in vitro organic matter digestibility (IVOMD), crude protein (CP) and macroelement concentration of a buffel (Cenchrus Ciliaris)--leucaena (Leucaena leucocephala) association as affected by deferment at four utilization ages (42, 84, 126, and 168 days).