- 업종: Agriculture
- Number of terms: 29629
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One of the elongated parenchyma cells lying next to and supposedly associated physiologically with the sieve tube in many seed plants, developing with the sieve tube in the same mother cell, sometimes extending the full length of the sieve tube, and readily identified by its small size and denser protoplasm.
Industry:Agriculture
A chemical reaction, specially oxidation, accompanied by the production of light and heat.
Industry:Agriculture
Cultivating implement with spikes or teeth resembling a comb.
Industry:Agriculture
A mixture of weathered materials moving by gravity and deposited at the foot of a slope (as opposed to alluvium).
Industry:Agriculture
A mass of many bacterial cells derived from a single cell by growth on an agar plate containing nutrient medium.
Industry:Agriculture
An instrument for chemical analysis of liquids by comparison of the color of the given liquid with its standard colors.
Industry:Agriculture
The simultaneous operation of two or more different types of tillage tools or implements (subsoiler-lister, lister planter, or plow planter) to simplify control or reduce the number of trips over the field.
Industry:Agriculture
The ability of a genotype (inbred, pureline, or synthetic/composite) to transfer its desirable traits to its crosses. General combining ability is the average performance of a strain in a series of crosses; specific combining ability is a deviation in a cross from performance predicted on the basis of general combining ability of the parents.
Industry:Agriculture
