Lesson Notes By Weeks and Term v4 - JHS 2
CROP PRODUCTION
Download the Lessonotes Mobile Ghana app for faster lesson access on Android and iPhone.
CROP PRODUCTION
Download the Lessonotes Mobile Ghana app for faster lesson access on Android and iPhone.
Subject: Science
Class: JHS 2
Term: 1st Term
Week: 12
Grade code: B8.2.3.2.1
Strand code: 2
Sub-strand code: 3
Content standard code: B8.2.3.2
Indicator code: B8.2.3.2.1
Theme: CYCLES
Subtheme: CROP PRODUCTION
This page supports the lesson note with a companion video and a short classroom-ready summary.
For class groups and homework, share this lesson page so learners also get the summary, objectives, and full lesson context.
Crop production is a major part of life in Ghana—many families depend on farming for food and income. Even in school gardens, learners can observe that crops grown in different seed beds (or under different conditions) do not grow the same way. Some plants grow taller, produce more flowers, or bear more fruits than others. Understanding how to compare and contrast growth and yield helps learners make better decisions about farming practices such as watering, spacing, manure application, and seed bed preparation.
A. Meaning of Key Terms Crop production: The process of growing crops for food, raw materials, or sale. Seed bed: A prepared area of soil where seeds are sown and nurtured (e.g., raised bed, flat bed, ridges, nursery bed). Growth: Increase in size of a plant (height, number of leaves, stem thickness, leaf spread). Yield: The useful output from a crop, such as number of fruits, weight of fruits, or number of pods. Compare: Identify similarities and differences using measurements/data. Contrast: Focus mainly on differences. B. What We Compare in This Indicator NaCCA expects learners to compare plants grown in different seed beds by measuring and counting: Height (cm): From soil surface to the top of the plant. Size (cm): This can be measured as leaf spread (width across the widest leaves) or stem girth (if tape is available). For JHS2, leaf spread is simpler. Number of flowers: Count visible flowers on each plant. Number of fruits: Count fruits/pods formed. C. How to Measure and Record Accurately 1) Measuring height Place ruler/tape at the soil surface near the stem. Measure up to the highest point (do not stretch the plant). Record in centimetres (cm).
2) Measuring size (leaf spread) Measure the widest distance from one side of the leaves to the other. Record in cm.
3) Counting flowers and fruits Count carefully; avoid double counting. If flowers are many, count in groups (e.g., 5s) and sum.
Good recording rules Use the same unit (cm) for all measurements. Measure at the same time of day if possible. Use the same method for all beds to ensure fairness. D. Organising Data: Tables and Averages A table helps us compare clearly.