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2. Potting soil - Wikipedia

   en.wikipedia.org/wiki/Potting_soil

   A flowerpot filled with potting soil. Potting soil or growing media, also known as potting mix or potting compost (UK), is a substrate used to grow plants in containers. The first recorded use of the term is from an 1861 issue of the American Agriculturist. [1] Despite its name, little or no soil is usually used in potting soil.

3. Reuse of human excreta - Wikipedia

   en.wikipedia.org/wiki/Reuse_of_human_excreta

   SOIL's two composting waste treatment facilities currently transform over 20,000 gallons (75,708 liters) of human excreta into organic, agricultural-grade compost every month. [67] The compost produced at these facilities is sold to farmers, organizations, businesses, and institutions around the country to help finance SOIL's waste treatment ...

4. Topsoil - Wikipedia

   en.wikipedia.org/wiki/Topsoil

   Low fertility, low fertility acidic and low fertility calcareous are other soil classifications designed for plants which thrive in nutrient sparse soil. Examples of specialist plants include the Venus flytrap which is found in low nitrogen and phosphorus environments so is less tolerant of highly nutrient rich environments than other plants ...

5. Hydroponics - Wikipedia

   en.wikipedia.org/wiki/Hydroponics

   It is used loose or in plastic sleeves immersed in the water. It is also used in potting soil mixes to decrease soil density. It does contain a high amount of fluorine which could be harmful to some plants. [66] Perlite has similar properties and uses to vermiculite but, in general, holds more air and less water and is buoyant.

6. Nitrogen deficiency - Wikipedia

   en.wikipedia.org/wiki/Nitrogen_deficiency

   Nitrogen deficiency is a deficiency of nitrogen in plants. This can occur when organic matter with high carbon content, such as sawdust, is added to soil. [1] Soil organisms use any nitrogen available to break down carbon sources, making nitrogen unavailable to plants. [1] This is known as "robbing" the soil of nitrogen.

7. Compost - Wikipedia

   en.wikipedia.org/wiki/Compost

   Ants create nests, making the soil more porous and transporting nutrients to different areas of the compost. [3] Beetles as grubs feed on decaying vegetables. [3] Earthworms ingest partly composted material and excrete worm castings, [3] making nitrogen, calcium, phosphorus, and magnesium available to plants. [3]

8. How to Keep Your Jade Plant Thriving for Decades (Yes, Really)

   www.aol.com/keep-jade-plant-thriving-decades...

   What Kind of Soil Does a Jade Plant Need Indoors? Your jade plant isn’t picky about soil, but she does have standards. A well-draining succulent mix is ideal: “Generally, a potting mix ...

9. Carbon-to-nitrogen ratio - Wikipedia

   en.wikipedia.org/wiki/Carbon-to-nitrogen_ratio

   The C:N ratio of soil can be modified by the addition of materials such as compost, manure, and mulch. A feedstock with a near-optimal C:N ratio will be consumed quickly. Any excess C will cause the N originally in the soil to be consumed, competing with the plant for nutrients (immobilization) – at least temporarily until the microbes die.