(a) State four roles of government in agricultural production (b) Describe four traditional land ownership system in Nigeria and give one disadvantage of each system.

Discuss eight maintenance practices including the precautions you would take to keep the tractor operating safely and ensure its durability.

(a) With the aid of a fully labelled diagram, describe the carbon cycle. (b) Explain the importance of carbon cycle to Crops and animals

Describe briefly the side effects of preventive and control measures of method diseases and pests of crops under the following headings: (a) chemical control (b) biological control (c) cultural of control .

a) Describe briefly five management methods adopted in the forest area to ensure a continuous timber supply. (b) Enumerate six benefits derived from forestry and range