Correct Answer: C. denitrification

Correct Answer: D. man

Correct Answer: C. poor management practices

Explanation

(a) Four roles of government in agricultural production are:

(i) Provision of financial assistance in form of loans and credit facilities to farmers

(ii) Establishment of agricultural programmes such as Farm Settlement Scheme, Green Revolution, Operation feed the Nation, etc.

(iii) Provision of farm inputs such as fertilizers, farm tools and implements, seeds, agro chemicals etc.

(iv) Provision of basic amenities like pipe borne water, electricity and hospital in rural areas.

(b) four traditional systems of land ownership in Nigeria and their disadvantages are :

(i) Communal and Tenure System: The land belongs to the community and only members of the family can have may not have access to the use of such land. Disadvantages: (1) Mechanization may be difficult. (2) Non-members of the community may not have access to the use of the land.

(ii) Land tenure by Inheritance: This is a situation where land is inherited from one's parents. Disadvantage: It leads to land fragmentation

(iii) Lease hold system: This requires the payment of a fee or tenancy for land used over a stated period of time. Disadvantage: The farmer cannot use the land s as collateral security.

(iv) Purchase: This is the total acquisition of land for a fee. Disadvantage: Ownership may be challenged or difficult to establish

Correct Answer: C. 1.28 kg

Explanation

(a)Cultivation of maize

(i)Soil requirements

• Well drained soil, rich in nutrients;
• Sandy-loam soil;
• Thrives on neutral or alkaline soil

(ii)Method of propagation

• Propagated by seed.

(iii)Spacing

• 90cm x 30cm at one seed per hole/stand;
• 75cm x 25 cm at two seeds per hole/stand.

(iv)Weed control

• Done manually with cutlass and hoe;
• Done 2-3 times on the farm at regular intervals;
• Could also be done mechanically with implements pulled by animals;
• Herbicides could also be used.

(v)Two fungal diseases

• Corn smut;
• Maize rust;
• Leaf spot

(vi)Harvesting

• On a low/small scale, could be harvested manually by breaking the ear from the maize plant;
• Cutlass could be used to slash the whole plant while the ear is broken from the plant;
• Combine harvester could be used on a large scale when the moisture content of the crop is low (25-28%);
• Could be harvested green or dry;
• Crop is due for harvesting from 60-120 days after planting depending on variety.

(b)Description of farm records

(i) Production record

• Shows the yield of crops cultivated on the farm;
• Shows the produce from livestock/farm animals;
• Shows the date of collection of farm produce;
• Helps to forecast yield.

(ii)Farm inventory

• Farm inventory is a record of all the assets on a farm at a particular time;
• These include buildings, feed, land, animals, produce in storage and the number of machines on the farm;
• Usually taken at the beginning and end of the year;
• Shows the value of the assets on a farm;
• Shows the state of each equipment.

(iii)Cash book

• The cash book shows the financial transactions of the farm;
• These include receipts from goods bought, salary of workers, cost of inputs and output, records of all payment made to the farm;
• Shows receipts/sales on the left hand side;
• Shows expenses/payments on the right hand side;
• Shows date of transactions.

Correct Answer: D. lions,elephants and leopards

Correct Answer: A. pea

Correct Answer: B. Rice

Explanation

Maize, millet and guinea corn does not really require nursery.

Correct Answer: C. ornamental plants