[VSQ]SOIL SCIENCE, SET 10

SOIL SCIENCE

Q.1

Red soils are dominant in.

Ans. 

Tamil Nadu.

Q.2

Laterite soils are dominant in.

Ans. 

Karnataka & Kerala.

Q.3

Weight of soil furrow slice.

Ans. 

2 x 10⁶ kg/ha.

Q.4

Humic acid is soluble in.

Ans. 

Alkali solution.

Q.5

C:N ratio of humus.

Ans. 

10:1.

Q.6

N% in cotton cake.

Ans. 

6.5% N.

Q.7

N% in safflower cake.

Ans. 

7.8% N.

Q.8

Substances added to soils for the improvement of their condition known as.

Ans. 

Amendments.

Q.9

The fertilizer having less than 25% of the primary nutrients known as.

Ans. 

Low analysis fertilizers.

Q.10

Equivalent basicity of NaNO3.

Ans. 

29.

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