Employing Biodynamic Gardening Techniques

Learn a few tips for building healthy soil and healthy humus using biodynamic or French intensive gardening strategies.
By the MOTHER EARTH NEWS editors
May/June 1982
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Barbara and Alan Sullivan pose near their garden at MOTHER EARTH NEWS' Eco-Village.
PHOTO: MOTHER EARTH NEWS STAFF
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Because this is the season when growers far and near are busily busting sod, hardening off seedlings, and — perhaps — even nibbling the year's first greens and radishes, we thought you might be interested in the doings of MOTHER EARTH NEWS' gardeners, Kerry and Barbara Sullivan.

In only a few short years, the Sullivans have taken a piece of soil that hardly qualified as marginal and transformed it into a showplace with carpets of flowers, and lush organically grown vegetables in groomed beds. But the gardeners rarely talk about their successes, since their primary concern is "the vast amount of work" they feel still needs to be done. The focus of that labor is a constant effort to further improve the soil, because our master growers consider that medium the key to solving every potential garden problem.

Now almost everyone who's read articles about holistic gardening has seen, over and over again, the statement that healthy plants are pest-resistant plants. However, when a plague of bean beetles or cabbage loopers chomps down on our own pampered (we think!) homegrown edibles, many of us suspect that this optimistic dictum may not always hold true! The brief history of MOTHER EARTH NEWS' garden, though, already includes strong evidence that soil improvement can dramatically reduce insect damage.

Take flea beetles, for instance. The tiny black-bodied nibblers devoured the entire fall crop of mustard and turnip greens sown during the first months (August and September 1979) after Kerry and Barbara came to MOTHER EARTH NEWS. By the following spring, though, the soil had already been upgraded to the point that the greens were able — in effect — to outgrow the pests, and suffer only modest damage. And this past year, the garden suffered no flea beetle raids at all!

The couple's emphasis on — and study of — soil health has also given them a more understanding, and even tolerant, attitude toward pest outbreaks than most home gardeners have. Still, it would be misleading to say that they never employ defensive measures. The Sullivans will use Bacillus thuringiensis when cabbage worms get too numerous (although Barbara notes that their need for that agent has been dropping sharply . . . they sprayed BT only once last year). And they're "quick to pick" if unwanted hexapods threaten to get too numerous. In fact, the two were pretty well able to defeat the Mexican bean beetle menace that had — in a previous year — ruined their green bean harvest, by simply spending a couple of hours handpicking the first wave of the little varmints thereby preventing the production of a more populous second generation of beetles.

Of course, although soil improvement is an effective insect-control strategy, creating a plant-enhancing and pest-resistant environment isn't a simple task. Indeed, the Sullivans are constantly working to promote their soil's health, tilth and life by following five major practices: [1] rotating crops, [2] sowing cover crops, [3] composting, [4] double-digging and [5] using biodynamic soil aids.

Kerry and Barbara make an estimated 10 to 15 tons of compost each year (and wish they had the time to produce more). They mixed a four-inch layer of organic matter — primarily dried, decomposed manure gathered from an old barn — into their garden when they first dug it, three summers ago, and have added at least an inch of homemade compost to the ground prior to each planting since!

In the past few years, many informed growers have come to appreciate the soil-lightening and moisture-preserving advantages of using raised, double-dug beds for flowers and vegetables. Kerry and Barbara were both trained in this practice — and in most of their other gardening techniques — when they were apprenticed to Alan Chadwick, the man who originated the biodynamic/French intensive gardening method. (During their stretch as "sausages" — Chadwick's term for all first-year students — under the eccentric-but-inspired gardener and actor, the Sullivans learned to appreciate Shakespeare's writings, Greek drama and the spiritual side of gardening in addition to absorbing the more pragmatic aspects of Alan's plant-raising theories.)

But, even if you're one of the relatively rare home growers who employ crop rotation, cover crops, compost and double-digging, it's quite likely you don't know much about the fifth "secret weapon" our gardeners use: biodynamic sprays and preparations. Well, to be honest, Kerry and Barbara didn't either . . . until an elderly horticultural consultant named Peter Escher visited MOTHER EARTH NEWS' garden.

It seems that Peter spoke right up and (in a friendly manner, of course) actually criticized our growers' compost piles! He went on to suggest that the couple might be able to improve their humus-making operations if they applied a single ounce of a substance called biodynamic compost starter to each ton of soil amendment they created.

Barb and Kerry experimented with the product (described in biodynamic literature as "a concentrated mixture of several cultivated strains of beneficial soil bacteria, enzymes, and plant growth-promoting factors") and — lo and behold! — their humus broke down more quickly and thoroughly than it ever had before, had a lighter, more friable texture and, wonder of wonders, even smelled better!

As you can imagine, the Sullivans were more than a bit impressed with these results. So they decided to try another biodynamic product: A field spray used to speed up the decomposition of tilled-in cover or garden crops. And to the best of Kerry and Barbara's judgment that substance, too, had a positive effect. (Barbara claims that adding either compost starter or field spray to organic matter is a bit like putting baking yeast in bread: You could mix a batch without using a leavening agent and hope that surrounding wild yeasts would reach the dough and give you satisfactory results, but adding the proper yeast yourself certainly makes the procedure more reliable!) These two successes led the couple to experiment with other specialized biodynamic preparations such as a fungus-preventing Equisetum (horsetail) tea and a health-promoting fruit-tree paste.

At the same time, our gardeners began to explore the broader aspects of biodynamics, including the discipline's emphasis on attacking problems instead of symptoms (during his visit Escher described our garden's few still-existing pest troubles as the "childhood" diseases of a "young" — that is, still-developing — soil), the life and writings of its founder, the clairvoyant philosopher Rudolph Steiner and the teaching that gardening can be a means of working with, and connecting to, a greater spiritual reality.

The influences of biodynamic theory — coupled with Chadwick's instruction, and Kerry and Barbara's own astute sense of observation and tireless seven-day-a-week labor — have combined to make MOTHER EARTH NEWS' garden the living jewel of the Eco-Village in not quite three years. But our master growers have grander plans for the future. They'd like to see their plot eventually produce enough holistically grown flowers and food to support a community often gardeners and students and — through the sale of surplus — pay for its own expenses.


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