- 行业: Agriculture
- Number of terms: 29629
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The top 15-20 cm of soil normally plowed or disturbed with tillage operations.
Industry:Agriculture
A moldboard type or dish type implement used for primary tillage. It is either animal-drawn or tractor-pulled.
Industry:Agriculture
A measured piece of land within a given larger area. It is the unit on which experimental treatments are assigned at random in replicated trials.
Industry:Agriculture
Mode of gene expression where the expression of one gene has multiple phenotypes. The effect of a single gene on two or more characters is due to a single biochemical pathway among the characters. Distinguished from linkage by the absence of recombinants in the segregating population.
Industry:Agriculture
A count of the number of colonies formed on a culture medium which has been inoculated with a small amount of organisms.
Industry:Agriculture
Generic name for all chloroplastlike organelles found in different plant cells.
Industry:Agriculture
The capacity of organisms with the same genotype to vary in developmental pattern, in phenotype, or in behavior according to varying environmental conditions.
Industry:Agriculture
Nonchromosomal, self-replicating (circular) DNA in bacteria. A principal tool for inserting new genetic information into microorganisms or plants.
Industry:Agriculture
The ratio in which the male and female parental lines are planted in hybrid seed production or maintenance of the cytoplasmic male sterile line.
Industry:Agriculture
