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Summary
Paul Wheaton and
Jocelyn Campbell review
Gaia's Garden the second part of Chapter 8, by
Toby Hemenway. The chapter is called: Creating Communities for the Garden, and it addresses
polyculture. He shares what he would plant in his
apple tree guild. What you're trying to do is: lure
beneficial insects,
boost soil tilth and fertility, reduce
root competitions, conserve
water, balance fungus populations, diversify the yield of food, and create habitat. Creating the guild "reduces the gardeners load to the broad back of nature."
Toby recommends a ring of grass supressing bulbs along the drip line of the tree, which surround flowering and food producing plants. Paul expresses his frustration with the question, "What do I plant under my apple tree?" as
the answer depends on everyone's unique circumstances.
Grass is a nutrient pig and will leave nothing for the tree. Toby says the tree
should be
pruned to an open shape to let light into the plants below. Paul prefers
not to ever prune trees. Paul talks about the importance of
edge, and how nature takes things to the next level over the years by herself--our job is to get the understory beyond being just grass.
Some good bulbs to use are:
daffodils,
camas,
alliums (
garlic chives, Egyptian onions, leeks). Pollinators do better in polycultures, such as
honey bees and
native mason bees. You want to attract birds that will eat the eggs and larvae of pest bugs. He encourages growing mulch-producing plants. Paul likes
rhubarb the best. Paul talks about
fungi like
apple scab coming in when there is an imbalance.
He and Jocelyn then discuss the importance of
accumulator plants,
nitrogen fixers, pest repellants, and habitat nooks (stones, logs, brush, and small ponds) for
critters like
snakes, lizards, and frogs. Rocks stay cool around the base of the tree and condense water for it, and rocks around the dripline hold thermal inertia. Paul talks about the
value of comfrey. He and Jocelyn talk about harvesting your own mulch, such as with the
chop and drop method.
Relevant Threads
Podcast 078 - Review of Gaia's Garden Chapter 8 Part 1
Fruit Tree Guilds
Insect Hotels
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