SHS2 Agricultural Science · Semester 1 Week 13: Agricultural Machineries

Lesson notes

Learning Objectives

Indicator: 2.1.3.LI.3 - Analyse the profitability of selected forms of irrigation

By the end of the lesson, learners can:

Define profitability and list the key components (costs and returns) involved in analysing an irrigation system.
Calculate the simple costs, returns, and net profit of a specified irrigation system using given data.
Compare the profitability of drip, sprinkler, and surface irrigation systems based on their initial cost, running cost, water use, and yield.
Explain at least two factors, other than money, that affect the decision to adopt a particular irrigation system.
Justify, with evidence, which form of irrigation is most profitable for a given crop and farm size.

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Curriculum details

Strand: New Dawn Agriculture (Strand 1)
Sub-strand: Agricultural Machineries (1.3)
Content standard: 2.1.3.CS.1 - Demonstrate knowledge and skills in the use of various forms of irrigation systems in arable crop (cereals, legumes, and tuber crops) enterprises. 1.1.3.LO.1 Compare the production of crop enterprises (cereals, and tuber crops) under rainfed agriculture and irrigation. 1.1.3.LO.2 Explain the roles of farm machinery and equipment in arable crop (cereals, legumes, and tuber production.
Indicator: 2.1.3.LI.3 - Analyse the profitability of selected forms of irrigation
Suggested placement: Semester 1, Week 13 (Week 13 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: NaCCA curriculum document, p. 59

Exemplars (from the NaCCA curriculum)

Collaborative Learning: Discuss and compare the modern and traditional ways of crop irrigation.
Experiential Learning: Explain why the modern ways of irrigation are better than the traditional ways.
Teaching and Learning Resources:
- Preparatory materials (e.g., land, seeds /seedlings)
- Simple irrigation materials (e.g., spraying materials; sprinklers)
- Sprinklers
- Tool drip lines
- Video documentaries on forms of irrigation and pictures of emerging technologies which is applicable to agriculture
- Projector
- Video documentaries
- Functional Internet facilities
- Computer
- smart phone
- Gardens/farms employing
- Sprinklers
- Drip irrigation facilities
- different forms of irrigation
Assessment (2.1.3.AS.3). The document marks these depth-of-knowledge levels for this indicator: Level 1 Recall; Level 2 Skills of conceptual understanding.