- 行业: Agriculture
- Number of terms: 29629
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An area saturated with water throughout much of the year but with the surface of the soil usually not deeply submerged.
Industry:Agriculture
Chemical absorbed into the plant parts which inhibits growth. It is toxic to particular plants only and designed to affect unwanted plants or weeds. .
Industry:Agriculture
A chemical substance absorbed by the plant; it remains in the developing tissues and protects the plant from fungal attack for a length of time.
Industry:Agriculture
Common to a plant system, generally distributed throughout an organism.
Industry:Agriculture
A relatively coarse, noncolloidal dispersion of solid particles in a liquid.
Industry:Agriculture
The unit of taxonomic classification into which genera are subdivided. A group of similar individuals different from other similar arrays of individuals. The main characteristic is reproductive isolation.
Industry:Agriculture
The energy given off by the sun. The sun exerts an energy level of about 2 cal/cm2 per minute on the earth's surface.
Industry:Agriculture
