WEEK 2
SUBJECT: AGRICULTURAL SCIENCE
CLASS: PRIMARY 4
TERM: 1ST TERM
TOPIC: THE LAND AND THE SOIL
PERFORMANCE OBJECTIVES
At the end of this lesson, Pupils should be able know:
The Meaning of land and soil
The Types of soil
Characteristics of Types of Soil
The Component of soil
Entry Behavior: Pupils are familiar with he topic
REFERENCE MATERIALS
Universal Basic Education Curriculum.
NERDC Basic Education Curriculum for Primary Schools.
Unified Schemes of Work Primary Schools four Agricultural Science (MIDDLE BASIC)
Internet.
Lagos State Agricultural Science Scheme of Work
Agricultural Science for Primary Schools
CONTENT
SOIL
Soil is the Material in the top layer of the surface of the earth in which plants can grow.
TYPES OF SOIL
Soil is divided into three part namely:
Sandy soil;
Clay soil;
Loamy soil.
SANDY SOIL
Sandy soil is a loose material made up of tiny particles. These tiny particles consist of grains of rock (clay or mud). Sandy soil is not good for growing crops because it does not contain decayed animal and plants materials that should enrich the soil
CLAY SOIL
Clay soil is a very fine-grained, smooth soil that can be moulded when wet (moist) and hard when the water in it dries up.
LOAMY SOIL
Loamy soil is a rich soil consisting of a mixture of sand and clay and decaying organic materials (dead plants and animals). It is the best soil for crops growing and can hold enough water.
CHARACTERISTICS OF SANDY SOIL
It does not contain many nutrients.
It contains loose material of tiny particles
Growth of crops is very poor.
It can’t not hold water.
It is rough when touched with hand.
CHARACTERISTICS OF CLAY SOIL
It is a very fine-grained soil.
It is smooth
It can be used for mounding when wet.
It is hard when the water in it dries up.
Growths of crops are poor on it.
It can hold water.
It has small and closely packed particles.
It can hold a lot of nutrients.
It does not allow air and water through it.
CHARACTERISTICS OF LOAMY SOIL
It is a rich soil.
It contains mixture of sand and clay.
It is the best soil for crops growing.
It can hold enough water
It is rich with nutrients
It is rich with minerals.
COMPONENT OF SOIL
Soil is made up of the following components:
Mineral matters or inorganic matters (45%)
Organic matter (5%)
Soil water (25%)
Soil air (25%)
Living organisms (insignificance)
INSTRUCTIONAL PROCEDURE
The Teacher revises the previous lesson.
The Teacher introduces the topic.
The Teacher explains the lessons.
LEARNERS ACTIVITIES
Learners participate in the class discussion
Learners practice how to identify soil
EVALUATIVE ACTIVITIES
Define soil.
Mention Types of soil.
Mention three Characteristics of each Types of Soil.
CONCLUSION: the teacher summarizes the lesson.
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