86. Which of the following is a type of irrigation that involves applying water directly to the roots of plants?
a) Flood irrigation
b) Drip irrigation
c) Sprinkler irrigation
d) None of the above
87. What is the term for the process by which soil loses its fertility due to the depletion of nutrients?
a) Nutrient depletion
b) Soil erosion
c) Leaching
d) None of the above
88. Which of the following is a type of farming that involves the cultivation of fruits, vegetables, and ornamental plants?
a) Horticulture
b) Aquaponics
c) Aeroponics
d) None of the above
89. What is the term for the practice of using beneficial insects to control pest populations?
a) Integrated pest management
b) Biological control
c) Chemical control
d) None of the above
