Cropping Systems, Planting Patterns

Contents & notes: what this topic covers

Under Cropping Systems, Planting Patterns, the JAMB Agricultural Science syllabus expects you to study:

• 8. Cropping Systems, Planting Patterns and Plant Densities a. Cropping systems: Monocropping,
• mixed-, multiple-, inter-, relay-, strip- i and rotational cropping b. Planting patterns: Broadcasting, row spacing and drilling c. Plant densities: single, double and
• multiple stands

Study notes & guidance

Study Cropping Systems, Planting Patterns using a recommended Agricultural Science textbook that follows the JAMB syllabus. Work through the contents listed above one by one, make brief notes in your own words, and then practise as many questions on this topic as you can — in Agricultural Science, understanding and steady practice matter far more than memorising. Use the objectives below as a checklist: if you can do each one confidently, you have mastered this topic.

Objectives — candidates should be able to

After studying Cropping Systems, Planting Patterns, you should be able to:

1. Identify and compare cropping systems.
2. Apply different cropping systems to solve problems in agriculture. differentiate between the various planting patterns. examine the various types of plant densities and their effects on crop yield. compute plant density per hectare.

These objectives are from the official JAMB syllabus. Use them as a checklist — if you can do each one confidently, you have mastered this topic.

Source: official JAMB UTME Agricultural Science syllabus (IBASS, jamb.gov.ng). Reproduced for study use. Last checked: 17 Sept 2026. Always confirm the current syllabus on the official portal.