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221.

Low total iron content of soil is ______ the basis for plant deficiencies:

A.	Commonly	B.	Often
C.	Seldom	D.	Mostly

222.

Maize can grow very well in the soils of pH ranging from:

A.	4.5 to 6.5	B.	6.0 to 8.5
C.	5.5 to 7.5	D.	7.5 to 8.5

223.

Maize crop pointed a spacing of 50 x 2 cm will have _____ plant/ha:

A.	50,000	B.	1,00,000
C.	1,25,000	D.	1,50,000

224.

Maize protein is deficient in:

A.	Betadine	B.	Tryptophant and lysine
C.	Lysine	D.	Tryptophane

225.

Maize-potato-wheat-green gram is an example of:

A.	Double cropping	B.	Multistoried cropping
C.	Relay cropping	D.	Inter cropping

226.

Major constituent of cotton fibre is:

A.	Cellulose	B.	Lignin
C.	Protein	D.	Fat

227.

Major source of water used by the plants is:

A.	Capillary water	B.	Hygroscopic water
C.	Gravitational water	D.	Inter space water

228.

Mull is:

A.	Soil	B.	Mineral
C.	Humas	D.	Manure

229.

Maximum amount of fertilizers is used in:

A.	Wheat	B.	Paddy
C.	Potato	D.	Sugarcane

230.

Maximum amount of nitrogen per unit wt. is in:

A.	Ground nut cake	B.	Poultry manure
C.	Compost	D.	Night soil