Ways of making the Soil Fertile (Primary 4)

Last Updated on July 15, 2020 by Alabi M. S.

 

BASIC SCIENCE

BASIC SCIENCE AND TECHNOLOGY

FIRST TERM 

SEVENTH WEEK

BASIC 4

THEME:

TOPIC: Ways of making the Soil Fertility 

Soil is the upper layer of the earth where plants grow. Soil is said to be fertile when all the nutrients necessary for plant growth and development are present in it. Soil can lose its fertility in five main ways – Burning, leaching, overgrazing, clean clearing, erosion.

PERFORMANCE OBJECTIVES

By the end of the lesson, the pupils should have attained the following objectives (cognitive, affective and psychomotor) and should be able to:

  1. mention the causes of soil fertility.
  2. describe ways of enriching soil fertility.
  3. maintain the soil fertility of the school farm.

ENTRY BEHAVIOR

The pupils are required to already have learned causes of loss in soil fertility.

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of soil samples – sandy, clayey and loamy. 

METHOD OF TEACHING – Choose a suitable and appropriate methods for the lessons.

Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons. 

REFERENCE MATERIALS

  1. Scheme of Work
  2. 9 – Years Basic Education Curriculum
  3. Course Book
  4. All Relevant Material
  5. Online Information

CONTENT OF THE LESSON

Soil is the upper layer of the earth where plants grow. Soil is said to be fertile when all the nutrients necessary for plant growth and development are present in it. Soil can lose its fertility in five main ways – Burning, leaching, overgrazing, clean clearing, erosion.

 

 

WAYS OF MAKING THE SOIL FERTILE 

Soil can be make fertile in the following ways:

  1. Adding fertilizer
  2. Manuring
  3. Mulching
  4. Crop rotation
  5. leaving fallow

PRESENTATION

  • To deliver the lesson, the teacher adopts the following steps:
  1. To introduce the lesson, the teacher revises the previous lesson. Based on this, he/she asks the pupils some questions;
  2. Guides class discussion to way of making the soil fertile.
  3. Pupil’s Activities – Participate in class discussions.
  4. Guides pupils to perform experiments on one or two ways to making the soil fertile – fertilizer or manure. 
  5. Pupil’s Activities – Participate in carrying out the experiments set up by the teacher.
  6. Give a board summary.
  7. Note.

CONCLUSION

  • To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson – characteristics of types of soil.

LESSON EVALUATION

Pupils to:

  1. state the best soil for growing crops.
  2. explain what makes the soil to loose its fertility.
  3. describe various methods involved in enriching the soil. 

 

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