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  2. Plant nutrients in soil - Wikipedia

    en.wikipedia.org/wiki/Plant_nutrients_in_soil

    Nutrients in the soil are taken up by the plant through its roots, and in particular its root hairs.To be taken up by a plant, a nutrient element must be located near the root surface; however, the supply of nutrients in contact with the root is rapidly depleted within a distance of ca. 2 mm. [14] There are three basic mechanisms whereby nutrient ions dissolved in the soil solution are brought ...

  3. Plant nutrition - Wikipedia

    en.wikipedia.org/wiki/Plant_nutrition

    However, if the soil is cropped it is necessary to artificially modify soil fertility through the addition of fertilizer to promote vigorous growth and increase or sustain yield. This is done because, even with adequate water and light, nutrient deficiency can limit growth and crop yield.

  4. Sulfur assimilation - Wikipedia

    en.wikipedia.org/wiki/Sulfur_assimilation

    Sulfur assimilation in microorganisms is regulated by a variety of environmental factors, including the availability of sulfur in the medium and the presence of other nutrients. The activity of key enzymes in the sulfur assimilation pathway is also regulated by feedback inhibition from downstream products, similar to the regulation seen in plants.

  5. Soil color - Wikipedia

    en.wikipedia.org/wiki/Soil_color

    Soil color is often the most visually apparent property of soil. While color itself does not influence the behavior or practical use of soils, [ 1 ] it does indicate important information about the soil organic matter content, mineralogy , moisture, and drainage.

  6. Soil fertility - Wikipedia

    en.wikipedia.org/wiki/Soil_fertility

    It also refers to the soil's ability to supply plant/crop nutrients in the right quantities and qualities over a sustained period of time. A fertile soil has the following properties: [4] The ability to supply essential plant nutrients and water in adequate amounts and proportions for plant growth and reproduction; and

  7. Sulfur isotope biogeochemistry - Wikipedia

    en.wikipedia.org/wiki/Sulfur_isotope_biogeochemistry

    If soil sulfur is derived consistently from one source, the water-soluble and insoluble organic S fractions acquire similar isotopic compositions. In the case that there are two or more sources and/or if the isotopic composition of atmospheric or groundwater sulfate fluctuates, there may not be sufficient time for isotopic homogenization among ...

  8. When to Start Seeds Indoors for a Successful Spring Garden - AOL

    www.aol.com/start-seeds-indoors-successful...

    Some seeds grow best when they’re directly sown in the garden, while other seeds grow better when they’re started inside and transplanted outdoors later on. Indoor sowing generally works best ...

  9. Soil acidification - Wikipedia

    en.wikipedia.org/wiki/Soil_acidification

    At a larger scale, soil acidification is linked to losses in agricultural productivity due to these effects. [31] Impacts of acidic water and Soil acidification on plants could be minor or in most cases major. In minor cases which do not result in fatality of plant life include; less-sensitive plants to acidic conditions and or less potent acid ...

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