pF value represents soil moisture tension in log scale.
Saturated soil has a pF value of 0, indicating free water availability.
Oven-dry soil has a pF value of 15, meaning the water is held so tightly that plants cannot extract it, leading to permanent wilting.
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Match List I with List II
List I | List II |
A. Gleization | I. Desilication |
B. Laterization | II. Process of decomposition of organic matter |
C. Humification | III. Concretions of Fe & Mn |
D. Podzolization | IV. Removal of oxides of Fe & Al |
Choose the correct answer from the options given below:
Which of the following is NOT associated with podzolization?
Soil moisture characteristic curve represents the relationship between
Which of the following is a man-made epipedon?
The chemical used to remove organic matter from the soil during mechanical analysis is
Which one of the following is an aerobic non-symbiotic nitrogen-fixing bacteria?
Which master horizon of soil is known as the zone of illuviation?
The rate of decomposition of organic matter is negatively affected by the presence of
Weight of one hectare furrow slice of root zone depth soil is about
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