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SS1: AGRICULTURAL SCIENCE - 1ST TERM

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  1. Meaning and Importance of Agriculture | Week 1
    3 Topics
    |
    1 Quiz
  2. Problems of Agricultural Development and Possible Solutions | Week 2
    1 Topic
    |
    1 Quiz
  3. Meaning and Differences between Subsistence and Commercial Agriculture | Week 3
    4 Topics
    |
    1 Quiz
  4. Roles of Government in Agriculture Development | Week 4
    3 Topics
    |
    1 Quiz
  5. Roles of Non-Governmental Organizations in Agricultural Development | Week 5
    5 Topics
    |
    1 Quiz
  6. Agricultural Laws and Reforms | Week 6
    4 Topics
    |
    1 Quiz
  7. Meaning and Importance of Agricultural Ecology | Week 7
    7 Topics
    |
    1 Quiz
  8. Land and its Uses | Week 8
    5 Topics
    |
    1 Quiz
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Lesson 8, Topic 5
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Factors Affecting Land Availability for Agricultural Purposes

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Topic Content:

  • Factors Affecting Land Availability for Agricultural Purposes
    • Land tenure system
    • Population pressure
    • Soil type
    • Topography, etc.

1. Ecological Factors:

The nature of the land determines the suitability of the land for agricultural purposes. A dry and hot swampy land will be suitable for livestock farming, while wet and swamp land will be good for swampy rice production.

2. Socio-Cultural Factors:

Some cultural factors may forbid the rearing of certain animals. For instance, the Islamic religion forbids the rearing of pigs in the environment.

3. Population Pressure:

Population pressure is almost certainly the most important factor affecting land use. As population and earning potential increase, demand for developed urban land also increases, transitioning land away from agricultural and forest uses while also driving up land value.

4. Climatic Conditions:

Wet and rainy conditions favour tree crop production; while dry climate with little rain favours livestock production like goats, sheep, and cattle.

5. Economic Factors:

Stable capital or finance encourages agricultural activities while inadequate intensive finance does not encourage intensive agricultural production.

6. Problems of Land Tenure Systems:

The type of land tenure practice in an area will determine whether such land will be available or not for agricultural production.

7. Level of Land Degradation:

The extent of land degradation will determine whether such land will be available for agricultural purposes.

8. Level of Soil Fertility and Soil Type:

Fertile soils will support agricultural activities, whereas, poor infertile soils do not support crop farming.

9. Topography of the Land:

Flat or gentle slope of the land encourages farming, while the undulated or rough situation of the land discourages farming activities because of the exposure of the land to regular erosion.

10. Socio-economic Factors:

Socio-economic factors like gender, age, education, wealth, household size and residence status are significant determinants of forest products use. Household size significantly influenced agriculture expansion and population growth. Agriculture expansion and population growth are significant determinants of changes in land use and land cover.

Evaluation Questions:

1. (a) What is land?

(b) List five characteristics of land.

(c) Enumerate four characteristics of land used for agriculture.

2. (a) Differentiate between agricultural land use and non-agricultural land use.

(b) Give five examples of agricultural land use and five examples of non-agricultural land use.

3. (a) Highlight five points on how agricultural land appreciates in value.

(b) State five importance of crop production.

4. (a) Outline five forest reserves in Nigeria and their locations.

(b) Give four examples of game reserves in Nigeria and their locations.

5. Briefly explain five factors affecting land availability for agricultural purposes.

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Evaluation Questions:

1 (a) What is land?

Answer: Land is the uppermost layer of the earth’s crust on which agricultural activities are carried out.

(b) List five characteristics of land.

Answer:

  • A natural gift
  • It is immobile
  • Can be used as collateral
  • The reward for land is rent
  • Its value is determined by its location

(c) Enumerate four characteristics of land used for agriculture.

Answer:

  • Must be fertile and well-drained.
  • The soil must be free of pathogens, pests and parasites.
  • The soil must have a good texture, structure and profile.
  • The topography must be very good. It must not encourage erosion.

 

2 (a) Differentiate between agricultural land use and non-agricultural land use.

Answer:

Agricultural Land Use: This is the usage of land for the production of agricultural products for man’s use

Non-agricultural Land Use: This is the usage of land for other purposes apart from the production of agricultural products.

(b) Give five examples of agricultural land use and five examples of non-agricultural land use.

Answer:

 Examples of Agricultural Land Use:

  • Crop production
  • Livestock production
  • Fisheries
  • Forestry
  • Wildlife construction

Examples of Non-Agricultural Land Use:

  • School buildings
  • Transport
  • Residential buildings
  • Construction of bridges
  • Mining purposes

 

3 (a) Highlight five points on how agricultural land appreciates in value.

Answer:

  • Rotational grazing
  • Fertilization and Manuring
  • Proper erosion control
  • Fallowing
  • Irrigation and drainage

(b) State five importance of crop production.

Answer:

  • Provision of food
  • Employment opportunity
  • Source of income to farmers
  • Provision of raw materials for agro-based industries
  • Aids development of communities where commercial agriculture is practised.

 

4 (a) Outline five forest reserves in Nigeria and their locations.

Answer:

  • Shasha River Forest Reserve, Osun State.
  • Afi River Forest Reserve, Cross River.
  • Anara Forest Reserve, Kaduna State.
  • Okomu Forest Reserve, Edo State.
  • Sakponba Forest Reserve, Edo State
  • Oba Hills Forest Reserve, Osun State.

(b) Give four examples of game reserves in Nigeria and their locations.

  • Yankari Game Reserve, Bauchi State.
  • Kainji National Park, Kogi State.
  • Zugurma Game Reserve, Niger State.
  • Borgu Game Reserve, Kwara State.

 

5. Briefly explain five factors affecting land availability for agricultural purposes.

Answer:

(i) Economic Factors: Availability of stable capital encourages agricultural activities, while inadequate finance does not allow intensive farming.

(ii) Land Tenure Problem: The type of land tenure practice in an area will determine whether such land will be available or not for agricultural production.

(iii) Level of Soil Fertility and Soil Type: Fertile soils will support agricultural activities, whereas poor, infertile soil does not support crop farming.

(iv) Level of Land Degradation: Lands that are prone to erosion will not be suitable for farming purposes.

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