eco shower

How to make a Banana Circle

By: Ivan Lieman

Step 1:

Select an area to use for your banana circle and mark out a circle two meters in diameter. You can mark another bigger circle around this one, as a guide for your mounded garden bed.

Step 2:

Using your two meter circle, dig out a dish-shaped (concave) hole to a depth of 50cm to 1 meter. Put the soil from the hole around the edge to create a mounded garden bed. At this point, you can create an opening slightly below ground level for rainwater run-off or your grey water from showers to enter the banana circle.

Banana Circle Schematic

Banana Circle Schematic

Step 3:

Line the hole with old paper, cardboard, or a few layers of banana leaves to slow down the infiltration of the water once it’s working. This will make sure that water and nutrients stay in the pit long enough to be taken up by bananas, papayas and other plants that surround the pit.

Step 4:

Fill the pit with organic mulch, you can add some ash, effective microorganisms or manure making a large compost pile. Stack in a prism shape, they will reduce in size over time.

Banana Circle Shower

Banana Circle Shower

Step 5:

Plant banana suckers around the rim of the mound at 60cm intervals. Normally four banana suckers around a two meter banana circle. These can initially be inter-planted with papayas. Also add cover crops like watermelon, taro, pumpkin, sweet potato, cow peas etc. Comfrey and other green manure crops can be inter-planted and chopped into the mound. You can also add climbers and vines like passion fruit when the trees can support them. Think layers, guilds and stacking food! Have the water loving crops in the inside rim of the circle such as taro and sugar cane, and the less water loving on the outer rim such as cassava. Lemos grass is a great to use as an erosion controller for your mound not to break down.

Step 6:

Mulch very generously to cover and protect the soil and minimize evaporation, and the build-up of organic matter.


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