Page 28 - Agronomy-Soil.Sci-Horticulture objective AFO
P. 28
c. 750-1000 mm
d. Less than 1000 mm
e. More than 1000 mm
ANS:- e. More than 1000 mm
Climatic Region Rainfall in mm
Arid Less than 500
Semi-arid 500-700
Sub-humid 750-1000
Humid More than 1000
101. Which of the following is a perennial crop: IBPS AFO Mains
2018)
a. Sugar beet
b. Coconut
c. Banana
d. Garlic
e. Tomato
ANS:- b. Coconut
102. What is the efficiency of Drip irrigation: IBPS AFO Mains
2018)
a. 65 %
b. 70 %
c. 80 %
d. 85 %
e. 90 %
ANS:- e. 90 %
Drip Irrigation –
• Pressure – 1.5 – 2.5 kg/cm²
• Discharge Rate – 1 – 8 Lit/hr
• 50 – 70% water saving as compared to surface method
27