Lesson Notes By Weeks and Term - Junior Secondary School 1

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Week: 10

Class: Junior Secondary School 1

Term: 2nd Term

Age: 12 years

Duration: 40 minutes of 2 periods

Date:

Subject: Agriculture

Topic:-       Weeds

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

  1. explain the methods of controlling weeds

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S ACTIVITY

STEP 1

INTRODUCTION

The teacher revises the previous lesson on weeds

Students pay attention

STEP 2

EXPLANATION

She outlines the methods of controlling weeds

Students pay attention and participates

STEP 3

DEMONSTRATION

She gives examples of each method

Students pay attention and participate

STEP 4

NOTE TAKING

The teacher writes a summarized note on the board

The students copy the note in their books

 

NOTE

METHODS OF CONTROLLING WEEDS

1. Mechanical method: this includes

  1. hand pulling- this is the use of hands in the removal of weeds
  2. hoeing- this is the use of hoes and cutlasses in the removal of weeds
  3. tillage- this is the use of cultivators or weeders in the removal of weeds
  4. Mowing- it is the use of lawn mowers in the removal of weeds
  5. flooding- this is the use of flood for 3 to 8 weeks to a heaight of 15cm to 25cm
  6. Burning- this is setting the weeds on fire
  7. smothering- it is the use of non-living materials like paper, straws, mulch etc in the removal of weeds
  8. Crop rotation- in this method, a weed is starved to death when crops grown are rotated to exclude crops associated with a particular weed

2. Biological methods: this includes

  1. leaf eating beetle can reduce the population of a weed called hyperioum perforation
  2. cover crops obstruct the emergence of weed and denies light-loving weeds the required conditions to germinate
  3. ruminant animals can be used to control weed through controlled grazing

3. Chemical methods: it is the use of chemicals e.g herbicides to eliminate weeds. Types of herbicides include

  1. selective- kills plants of a particular kind
  2. non-selective- kills all plants where they are applied

EVALUATION:    1. Explain the methods of controlling weeds

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively