Teaching Organic Farming and Gardening

(Michael S) #1

Managing Soil Fertility


18 | Unit 1.1
Instructor’s Lecture 2 Outline



  1. Rotation considerations


a) Try to avoid rotation of crop species that share similar pests and diseases.

Intersperse with different crops to break pest and disease cycles.


i. Example: Solanaceae rotation


b) Rotation of crops to maximize use of nutrient inputs and distribute nutrient demand

placed on the soil


i. Examples of multi-year crop rotations (see Coleman 1995)


c) Fallow periods and perennial cover crop rotations

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