൧:-0.25 - 0.75
8:-0.75 - 2.25
C:-2.25 — 3.00
D:-less than 0.25
Correct Answer:- Option-D
Question88:-The ideal IW/CPE ratio for scheduling irrigation for cowpea crop is 0.6. If required CPE is 50 mm, is
the depth of water (IW) to be provided for the irrigation
A:-50 mm
B:-40 mm
C:-30 mm
D:-15 mm
Correct Answer:- Option-C
Question89:-The maximum amount of water that a soil will after allowing free drainage is known as
A:-Permanent wilting point
B:-Field capacity
C:-Hygroscopic water
D:-Unavailable water
Correct Answer:- Option-B

Question90:- is the rotation of arable crops requiring annual cultivation with grasses for two years or longer for
improving the physical, chemical and biological properties of soil.
A:-Relay cropping
B:-Intensive farming
C:-Mixed farming
D:-Ley farming
Correct Answer:- Option-D
Question91:-A high yielding variety of cassava maturing in 5-6 months
A:-H-4
B:-Sree Visakham
C:-Vellayani Hraswa
D:-H-226
Correct Answer:- Option-C
Question92:-If elephant foot yam is planted at 1m x 1m spacing, the number of plants in hectare would be
A:-1,000
B:-10,000
C:-1,00,000
D:-10,00,000
Correct Answer:- Option-B
Question93:-The seed rate for dibbling paddy in one hectare is
A:-60-70 kg
B:-80-90 kg
C:-100-110 kg
D:-110-120 kg
Correct Answer:- Option-B
Question94:-The N : *P_(2)° ‘O_(5)° : *K_(2)’ O recommended for a crop of cowpea in one ha is
A:-20-20-20 kg
B:-20-30-30 kg
C:-30-30-30 kg
D:-20-30-10 kg
Correct Answer:- Option-D
Question95:-The decline in crop yield in India due to depletion of soil organic matter amounts to

Correct Answer:- Option-C
Question96:-A form of sustainable agriculture that optimize local resource utilization including social and human resources,
but the use of external inputs are not excluted and seen as complementary to the use of local resources is known as
A:-organic farming
B:-biological farming
C:-HEIA