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421.

The identified critical stage of irrigation in tobacco is:

A.	Tillering	B.	Flowering
C.	Topping	D.	Maturity

422.

The identified critical stages for irrigation of safflower are:

A.	Rosette and stem elongation	B.	Rosettle and flowering
C.	Flowering and grain filling	D.	Stem elongation and flowering

423.

The inflorescence of sugarcane is called :

A.	Spike	B.	Tassel
C.	Panicle	D.	Arrow

424.

Which of the following crop is used as fodder and grain?

A.	Jowar	B.	Bajra
C.	Maize	D.	Wheat

425.

The intensity of crop rotation may be indicated by

A.	No. of crops x 100/No. of years	B.	No. of crops x No. of years/100
C.	No. of crops x 100	D.	None of the above

426.

The inter-culture operation in standing broadcast rice crop is commonly known as:

A.	Thinning	B.	Puddling
C.	Rotation	D.	Bushening

427.

Which of the following crop is not used for making silage?

A.	Maize	B.	Jowar
C.	Wheat straw	D.	Grass

428.

Which of the following criteria of irrigation scheduling is more acceptable to farmers:

A.	Soil moisture tension	B.	Pan evaporation
C.	Water potential of plant	D.	Critical growth stage

429.

The latest botanical name of green gram is:

A.	Vigna radiata	B.	Vigna mungo
C.	Phaseolus mungo	D.	Phaseolus vulgaris

430.

The leaf area per unit land area is known as:

A.	LAR	B.	LAD
C.	LAI	D.	LER