Glossary - D-G
Damping-off – A disease that attacks seedlings, causing rotting near the soil line.
Denitrification – The conversion of nitrates into atmospheric nitrogen by soil microbes in water logged soils.
Dermal exposure – Pesticide is absorbed through the skin.
Dolomitic limestone – Lime that supplies both calcium and magnesium.
Double digging – A process whereby the gardener works the topsoil and also loosens the subsoil.
Drainage – Movement of water away from the surface of a garden either down into the soil or by flow across the surface.
Dried blood – Blood of animals that is collected from slaughterhouses. It contains high levels of nitrogen.
Ear – The female flower of corn that produces seed after pollination.
E. coli – A bacteria associated with animal wastes that can cause serious health problems.
Embryo – The structure within a seed that develops into a plant.
Exposure – On hillsides, it is the direction your garden faces.
F1 Hybrids –Cultivars resulting from a cross between two different true breeding (referred to as inbred) parents.
Field capacity – The maximum amount of water your particular soil will hold.
Fish meal – Ground up fish. Contains nitrogen and phosphorus.
Friable – An easily worked soil.
Frost-free date – The average last day of frost for a specific area.
Frost pocket – A low-lying area where frost occurs late in the season.
Fungi – Multi-celled organisms that reproduce by spores and rely on living or dead organic matter for food.
Gourd – A fruit with a hard outer rind that is used for decoration.
Grasses – A category of weed that are monocots, have narrow leaves and a growing point at our just below the soil surface.
Green manure – A cover crop used to add nutrients to the soil and choke out undesirable plants.
Greensand – A ground rock material that contains potassium and trace elements.
Gynoecious cucumbers – Hybrids whose plants have all female flowers.