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Seed Piece : Portion of a potato tuber containing at least one eye that is planted to produce a new potato plant.
Shadehouse : Is a gardener's edifice used to protect cultivated plants from excessive heat, light or dryness.
Side Dressing : Fertilizer or other material added to the soil around a growing crop. Synonyms: fertilization, fertilisation, fecundation.
Soil : Primarily clay, sand, silt, organic matter, and living organisms making the top layer of earth's crust.
Soil Acidifier : A material used to make the soil more acid.
Soil Amendment : Different from fertilizer by law. Matter that makes the soil healthier by activating microorganisms, balance pH, and add nutrients while balancing them.
Soil Conditioner : A material that is added to the soil to improve its content.
Soil Life : Is a collective term for all the organisms living within the soil.
Soil pH : Is an indication of the alkalinity or acidity of soil. It is based on the measurement of pH, which is based in turn on the concentration of hydrogen ions (H+) in a water or salt solution.
Solarization : The practice of heating soil to levels lethal to pests through application of clear plastic to the soil surface for 4 to 6 weeks during sunny, warm weather.
Sooty Mold : A sooty coating on foliage or fruit, formed by the dark mycelia of fungi that live in the honeydew secreted by certain insects.
Specific Gravity : The ratio of the density of a substance to the density of pure water; specific gravity of potato tubers is used as a measure of their dry matter content.
Spore : A reproductive body produced by certain fungi and other organisms, capable of growing into a new individual under proper conditions.
Sporulation : The production of spores.
Stale Seed Bed : Is a useful organic weed control technique which involves creating a seedbed some weeks before seed is due to be sown.
Staminate Flower : A male flower.
Succession Planting : rRefers to several planting methods that increase crop availability during a growing season by making efficient use of space and timing.
Sucker : Shoot arising from the trunk or rootstock.
Sul-po-mag : Mined material consisting of sulfur, potassium, and magnesium. Only apply when analyzis show lacking these minerals.
Synthetic Organic Pesticides : Manufactured pesticides produced from petroleum and containing largely carbon and hydrogen atoms in their basic structure.
