permaculture

(Michael S) #1
208 Facilitator’s Handbook for Permaculture Workshops

Creative thinking : Design a crop rotation plan


Method : Discussion and group brainstorm

Tools : Black/white board, large paper, markers

References : PC Book MOD 7 – Farming;
PC Book MOD 6 – Home and Community Gardens;
PC Book MOD 9 – Integrated Pest Management

Objective : Participants learn about and create a crop rotation system

Step 1

The facilitator should talk through the following key aspects of crop rotation and answer
any questions the participants may have.

Crop rotation is an important part of farm management because:


  • Different plants use different amounts and types of nutrients from the soil.

  • If the same type of plant is grown in the same place each year, some nutrients
    will be depleted while there will be too much of other nutrients.

  • The soil will be out of balance and production will decrease.


Crop rotation helps because:


  • It balances the amount of nutrients taken from the soil.

  • It reduces pest and disease problems – Some pests and diseases live in the soil
    and will cause a lot of damage if the same type of crop is grown on the same
    land over and over again.

  • Changing crops will allow diseases and pests to die out before the plant that they
    attack is replanted in that soil.


Good methods include:


  • Never growing the same type of vegetable in the same garden bed twice in a
    row.

    • All beans can be considered as 1 type of vegetable.

    • Tomato, eggplant, capsicum, potato, and chilli can all be considered as 1
      type of vegetable because they are all from the same family (solanaceae).



  • It is also good to give the land a rest for a few months every 2 years to help it
    regain its stock of nutrients.

  • During this first period add lots of compost and mulch.


Step 2

Discuss with the participants any traditional or modern crop rotation techniques they
know or use already.

EXERCISE

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