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471.

Which disease occur most in groundnut?

A.	Blast	B.	Tikka
C.	Blight	D.	Damping-off

472.

What is crop rotation?

A.	Growing more than one crop at a time	B.	Growing of crops one after other to maintain soil fertility
C.	Growing of an associate crop in between the rows of main crop	D.	Growing of crops together in strips

473.

The optimum temperature for seed germination in kharif season is:

A.	10-15?C	B.	20.25?C
C.	35-40?C	D.	25-35?C

474.

The optimum temperature for seed germination in rabi season is:

A.	15-20?C	B.	5-10?C
C.	20-25?C	D.	None of the above

475.

The optimum temperature for the germination of soyabean is:

A.	11?C	B.	20?C
C.	15?C	D.	22?C

476.

The optimum temperature range for sowing of wheat is:

A.	10-15?C	B.	15-20?C
C.	20-25?C	D.	25-30?C

477.

Which crop is considered its king of the fodder crops?

A.	Lucerne	B.	Berseem
C.	Oat	D.	Sudan grass

478.

Wherever only two irrigations are available, the wheat crop should be irrigated:

A.	CRI and tillering	B.	CRI and flowering
C.	CRI and milling	D.	CRI and late jointing

479.

Wherever only one irrigation is available, it should be liven at _____ stage in safflower:

A.	20 days	B.	30 days
C.	40 days	D.	50 days

480.

When the phosphorus in either band placed or broadcasted the relative efficiency is related to:

A.	Its soil status	B.	Its applied quantum
C.	Both of these	D.	None of these