61. Which of the following is a method of soil improvement that involves adding organic matter to the soil?
a) Mulching
b) Composting
c) Vermicomposting
d) Green manuring
62. Which of the following is a method of soil improvement that involves covering the soil with a layer of organic material?
a) Mulching
b) Composting
c) Vermicomposting
d) Green manuring
63. Which of the following is a method of soil improvement that involves using earthworms to decompose organic matter?
a) Mulching
b) Composting
c) Vermicomposting
d) Green manuring
64. Which of the following is a method of soil improvement that involves growing specific crops and incorporating them into the soil?
a) Mulching
b) Composting
c) Vermicomposting
d) Green manuring
65. Which of the following is a term used to describe the process of controlling pests and diseases in agriculture?
a) Crop rotation
b) Integrated pest management
c) Soil conservation
d) Precision agriculture
