Summary

• Description:

  The PDF document comprises KALA Joint Trials Agriculture Paper 1 2025 Mock Exam with Marking Scheme.

  It is a KCSE Agriculture Paper 1 (443/1) trial examination (July 2025).

  • Duration: 2 Hours
  • Total Marks: 90
  • Number of Questions: 26 (Questions 1–26)
  • Marking Scheme: The marking scheme is in a different document.

  It covers the following topics:

  • Communication in agriculture and its contribution to agricultural growth
  • Farm records (e.g., labour records) and their uses in farm management
  • Organic farming and its benefits
  • Agricultural economics concepts (GDP vs GNP; scarcity and choice; per capita income)
  • Crop nursery establishment and factors considered when siting a vegetable nursery
  • Field practices and crop husbandry (optimum plant population; seed rate factors; stooking; trellising)
  • Soil fertility and plant nutrition (nitrogen forms absorbed by plants; effects of soil organisms)
  • Crop protection (late blight in tomatoes; weed control in maize; cultural disease control methods)
  • Water management (water treatment chemicals; methods of water harvesting; choice of farm water pipes)
  • Livestock economics (variable and fixed costs in dairy production)
  • Government agricultural support services
  • Fertiliser recommendations and calculations (urea, SSP, and KCl application rates)
  • Production functions in agricultural economics and laws derived from output–input relationships
  • Crop rotation planning using plot constraints (e.g., disease infestation, nutrient deficiency, erosion risk)
  • Dry beans production (weed control, harvesting, and marketing)
  • Influence of light in agriculture and tea husbandry (precautions when pruning mature tea bushes)
  • Farm planning and decision-making using partial budgeting (maize vs beans enterprise change analysis)
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  AGRICULTURE

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