- 行业: Agriculture
- Number of terms: 29629
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This process occurs in some free-living microorganisms, e.g., blue-green algae and in bacterial-induced nodules of legumes. The conversion of elemental nitrogen into organic nitrogen or to forms readily utilized in biological processes.
Industry:Agriculture
Characteristics of a plant at suboptimal N supply usually indicated by yellowing leaves, reduced tillering, and stunted growth.
Industry:Agriculture
The series of chemical and biochemical changes of nitrogen and nitrogenous compounds taking place in the soil - plant - atmosphere continuum.
Industry:Agriculture
The incorporation of nitrogen into organic cell substances by living organisms.
Industry:Agriculture
Uptake of nitrate by living organisms and conversion to cell substances.
Industry:Agriculture
A chemical for the colorimetric determination of amino acids, which becomes violet to red when in contact with honeydew on filter paper. It is used to determine the feeding activity of the brown planthopper.
Industry:Agriculture
Specifically, a soil in which the surface layer, at least down to normal plow depth, is neither acid nor alkaline in reaction. Practically, a soil in which the pH of the surface soil ranges between 6.6 and 7.4.
Industry:Agriculture
