[VSQ]SOIL SCIENCE, SET 6

SOIL SCIENCE

Q.1

Law of minimum was proposed by.

Ans. 

Von Liebig (1840).

Q.2

'O' horizon is absent in.

Ans.

Arable soils.

Q.3

Top most mineral horizon is.

Ans. 

'A' horizon.

Q.4

Maximum Eluviation horizon is.

Ans. 

E horizon.

Q.5

Alluvial horizon is.

Ans. 

B horizon.

Q.6

Ni & Co is most useful for the crops.

Ans. 

Legumes.

Q.7

Silicon is essential for.

Ans. 

Rice, Maize.

Q.8

Excess vegetative growth is due to.

Ans. 

High supply of N.

Q.9

Major constituent of chlorophyll is.

Ans. 

Mg.

Q.10

White tip & white bud of maize occurs due to.

Ans. 

Zn deficiency.

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