- 行业: Agriculture
- Number of terms: 29629
- Number of blossaries: 0
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That phosphorus which has been changed to an unavailable form as a result of reaction with the soil.
Industry:Agriculture
The ammonium in soil that cannot be replaced by a neutral potassium salt solution.
Industry:Agriculture
Conversion of available nitrogen to insoluble or unavailable nitrogen.
Industry:Agriculture
The process by which certain nutrient elements in a soil are converted from available form to unavailable form essential for plant growth, being converted from a soluble or exchangeable form to a much less soluble or to a nonexchangeable form. Examples are potassium, ammonium, and phosphorus fixation.
Industry:Agriculture
A term describing the consistency of a moist soil that offers distinctly noticeable resistance to crushing but can be crushed with moderate pressure between the thumb and forefinger.
Industry:Agriculture
Consisting of or containing large quantities of fine fractions, particularly of silt and clay.
Industry:Agriculture
A fire that consumes organic material and burns into the underlying soil itself, for example, a peat fire. Applies in some deepwater rice areas of southern Vietnam.
Industry:Agriculture
Seedlings show fine greenish white longitudinal stripes at tip and margin of leaf blade. Stripes often disappear in the tillering stage.
Industry:Agriculture
