MEDIUM
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Which of the following is called ‘white alkali soils’?

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Important Questions on Soil and Soil Conservation

MEDIUM
Which of the following factors is NOT responsible for the loss of fertility of agricultural land?
EASY
Which of the following is responsible for high rate of photosynthesis in plants?
EASY
The rate of absorption of water _____ with increase in salt concentration in the soil.
MEDIUM
Which of the following element is not a structural component of plants?
EASY
Which of the following atmospheric gases is detected using a non-dispersive infrared (NDIR) analyzer?
MEDIUM
Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land?
MEDIUM
Montmorillonite is the dominant clay mineral in which of the following soils?
MEDIUM
Which of the following is called ‘quick lime’?
EASY
Which of the following is beneficial to crop fields?
MEDIUM
Which one of the following plants is used for green manuring in India ?
HARD
The combination of which of the following soils is best for plant growth?
EASY
The substances that are added to the soil in the form of nutrients for their healthy growth are: