- 行业: Agriculture
- Number of terms: 29629
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A board with holes for dropping seeds into the soil at given distances or for marking distances when sowing or transplanting in the field or plots.
Industry:Agriculture
An insect of the order Homoptera, family Delphacidae, which feeds by sucking sap from leaf veins along the lower portion of the rice plant; usually more stout and slow-moving than leafhoppers. Planthoppers have a mobile spur called a "calcar" at the tip of the tibia of the hind leg.
Industry:Agriculture
Legislation that allows a copyright to be obtained for a specific plant.
Industry:Agriculture
A set of plant characters (e.g., tillering, leaf and panicle characteristics, plant height) that give a variety its peculiar architecture and geometry.
Industry:Agriculture
The culture of protoplasts, cells, tissues, organs, embryos, or seed in vitro.
Industry:Agriculture
A restrictive measure imposed by a government to prevent the entry of injurious pathogens and pests by regulating the movements of plants, fruits, seeds, or other plant parts.
Industry:Agriculture
Number of plants in a particular area or the number of different plant types in a particular area.
Industry:Agriculture
The study of the plant's processes, functions, and responses to the environment.
Industry:Agriculture
