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Three-tree lineup photo coming
Drop in as
images/field-notes/three-trees-lineup.jpgPlanted the same day, three feet apart, on the same sandy open field — and yet one is twelve feet tall, one is five, and the third looks like it’s barely trying. The trees aren’t lazy or thriving in some moral sense; they’re each playing a different ecological role and asking for a different soil.
images/field-notes/three-trees-lineup.jpgThere’s a story permaculture writers like to tell where every tree species, given the right care, will sprint. It’s a comforting story but it isn’t true. Some trees are pioneers and some are climax canopy species, and the climax trees aren’t even trying to grow fast. What they’re trying to do is recruit a fungal partner, send down a deep taproot, and live for two centuries. The pioneers are out here doing the soil-building work that the climax trees will eventually inherit.
These three were planted on the same sandy, windy, open field in South Jersey — soil that had been row-cropped for decades and was, by all appearances, dead. None of them had any business growing fast in a place like this. The black locust didn’t care. The persimmon shrugged. The hickory is taking its time, and it has good reasons.
images/field-notes/locust-tall.jpgBlack locust is the textbook Appalachian pioneer: it grows on disturbed, depleted, eroding ground that nothing else wants. The reason it can do that is in its roots — Robinia is a true legume with active Rhizobium nodules that pull nitrogen straight out of the air and turn it into a form the tree can use. Honey locust, despite the name, doesn’t do this. Black locust does, and that’s why it’s the one I plant when I want a sandy field to become a forest.
Fast growth on poor soil is the obvious benefit. The less obvious one is what it’s leaving behind: nitrogen in the root zone, a sheltering canopy for the slower trees coming up beside it, and — once it’s coppiced — a stack of rot-resistant fenceposts that’ll last fifty years in the ground. A black locust planting is a soil-building machine that pays for itself in posts.
images/field-notes/persimmon-mid.jpgAmerican persimmon is a pioneer too, but a different kind — a fruit-bearing pioneer that suckers into groves on old fields and takes the sun and the sand and the wind without complaining. It’s not as fast as the locust because it’s not fixing its own nitrogen; it’s simply tough enough to live on what the field already has.
Of the three, persimmon is the one I’d most confidently plant on raw open ground with the least fuss. It doesn’t demand fungal partners, doesn’t need a nurse tree, doesn’t need a heavy mulch ring to survive its first summer. It just needs a male tree nearby (it’s dioecious) and time — and in about six years it starts dropping fruit that nothing in the East rivals for late-autumn sweetness once it’s soft-ripe.
images/field-notes/hickory-short.jpgHickories are ectomycorrhizal. That means their root system is half tree and half fungus — they live in obligate partnership with specific soil fungi (Laccaria ochropurpurea is one named for shellbark) that wrap around the fine root tips and act as a second, vastly larger root system. The fungi go out into the soil and bring back water, nitrogen, and phosphorus that the tree couldn’t reach on its own. In return the tree feeds the fungi sugar from photosynthesis.
The catch is that those fungi live on woody material decaying in the soil — fallen branches, leaf litter, the duff of an established forest floor. On a row-cropped sandy field that’s been tilled for decades, that fungal network is dead. There’s no woody material to feed it, the soil bakes dry between rains, and the hickory roots can’t find a partner. The tree creeps along on its own — surviving, but not running.
The remedy isn’t fertilizer. It’s woody material, in quantity, kept in place long enough for fungi to colonize it. That’s the mulch loop in the box below.
When you plant a hickory into an open field, the slow-growth trap is real, and it has one cause: no fungal soil. The fix is to manufacture a forest floor under the tree, on purpose, and keep manufacturing it.
Lay a 4–6 ft circle of arborist wood chips (not bark, not sawdust — chips have the right energy content for the fungi) 4–6 in deep, kept back a few inches from the trunk. Top it up every year. As the chips decay, the right fungi colonize them on their own and stitch into the hickory roots; the tree picks up nutrients and moisture from the chip-decay, and the loop starts to pay for itself.
On dead ground you can stack the deck at planting with an ecto-type mycorrhizal root dip. After that, just feed the chips.
Spacing depends on the slow tree you’re nursing. For a hickory — fungal-demanding, moisture-hungry — plant the locust 3–4 ft away so the root zones genuinely overlap. That’s where the nitrogen the locust fixes and the rhizobial/mycorrhizal exchange in the contact soil actually reach the hickory roots. Eight feet is too far; the locust just shades the field and the climax tree gets none of the chemistry.
For an oak, walnut, or persimmon — climax species that already handle open ground — 8–12 ft is enough; you’re using the locust for shade, windbreak, and some marginal N rather than direct root chemistry.
Either way, plan to coppice the locust at year 4–6 once the climax tree is established. It throws fresh shoots from the stump for a second cycle of posts.
How the nursery handles this
The reason this matters for what Cedar Water sells: the trees you put in the ground are only as good as the soil they were started in. A hickory raised in sterile potting mix is going to have to find a fungal partner from scratch when it lands in your field. A hickory raised in decayed-woodchip topsoil, with rabbit-manure compost and homemade biochar, arrives already inoculated and already running.
The nursery itself is a closed loop: arborist wood chips that line the walkways decay into fungal topsoil ecologically akin to a forest floor; my rabbits supply the cold manure; the firepit yields the biochar. The seedlings grow in air-pruning beds on that soil — which forces the taproot to branch instead of circling, so they transplant clean and don’t sulk.
images/field-notes/air-pruning-beds.jpg