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  2. Mineral absorption - Wikipedia

    en.wikipedia.org/wiki/Mineral_absorption

    In plants and animals, mineral absorption, also called mineral uptake is the way in which minerals enter the cellular material, typically following the same pathway as water. In plants, the entrance portal for mineral uptake is usually through the roots. Some mineral ions diffuse in-between the cells. In contrast to water, some minerals are ...

  3. Nutrient cycle - Wikipedia

    en.wikipedia.org/wiki/Nutrient_cycle

    Energy flow is a unidirectional and noncyclic pathway, whereas the movement of mineral nutrients is cyclic. Mineral cycles include the carbon cycle, sulfur cycle, nitrogen cycle, water cycle, phosphorus cycle, oxygen cycle, among others that continually recycle along with other mineral nutrients into productive ecological nutrition.

  4. Plant nutrition - Wikipedia

    en.wikipedia.org/wiki/Plant_nutrition

    Plant nutrition is the study of the chemical elements and compounds necessary for plant growth and reproduction, plant metabolism and their external supply. In its absence the plant is unable to complete a normal life cycle, or that the element is part of some essential plant constituent or metabolite .

  5. Geology applications of Fourier transform infrared spectroscopy

    en.wikipedia.org/wiki/Geology_applications_of...

    The retardation (total path difference) of the light beams between the static mirror and the movable mirror results in interference patterns. [1] The IR absorption by the sample occurs at many frequencies and the resulting infereogram is composed of all frequencies except for those absorbed.

  6. Biogeochemical cycle - Wikipedia

    en.wikipedia.org/wiki/Biogeochemical_cycle

    Sulfur is critical to the three-dimensional shape of proteins. The cycling of these elements is interconnected. For example, the movement of water is critical for leaching sulfur and phosphorus into rivers which can then flow into oceans. Minerals cycle through the biosphere between the biotic and abiotic components and from one organism to ...

  7. Phytic acid - Wikipedia

    en.wikipedia.org/wiki/Phytic_acid

    Phytic acid and phytate have a strong binding affinity to the dietary minerals calcium, iron, and zinc, inhibiting their absorption in the small intestine. [ 1 ] The lower inositol polyphosphates are inositol esters with less than six phosphates, such as inositol penta- (IP5), tetra- (IP4), and triphosphate ( IP3 ).

  8. Remote sensing in geology - Wikipedia

    en.wikipedia.org/wiki/Remote_sensing_in_geology

    The spectral proximal sensing in VNIR is sensitive to absorption of water in hydrated evaporate minerals, most prominently at 505 nm, 920 nm, 1415 nm and 2205 nm. [ 10 ] [ 3 ] [ 5 ] For even more saline soil, 680, 1180 nm and 1780 nm would also give lower reflectance (higher absorption) and higher reflectance at 2200 nm possibly due to the loss ...

  9. Elemental analysis - Wikipedia

    en.wikipedia.org/wiki/Elemental_analysis

    Modern simultaneous CHNS combustion analyzer. Elemental analysis is a process where a sample of some material (e.g., soil, waste or drinking water, bodily fluids, minerals, chemical compounds) is analyzed for its elemental and sometimes isotopic composition.

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