The Llewellyns
To keep his fields healthy, Dave mainly fertilizes with his own mixture of compost made from the farm animals' manure, dead leaves, and food scraps. He also uses cover crops (crops that will be tilled back into the ground to enrich the soil) and buys some soil amendments, such as rock dust. He focuses on nurturing the microorganisms in the soil because they are what make nutrients available to the plants. This makes the plants healthier and so more resistant to pests and disease. Occasionally, if pests like Colorado Potato Beetles are really bad, Dave will use organic-approved pesticides, but these are only a last resort and he hasn't used them in years. He finds that in general, with good management of his soil and crops, he doesn't have excessive trouble with pests. Dave has 6.5-7 acres in rotation with about 20% planted with a cover crop in a given year.

When asked about her opinion on the growing of monocultures, Carolyn described the practice as just "inviting pests, like a candy shop." She said that having so much of a single crop in one large planting tends to attract pests and disease to such an extent that it's very hard to manage them with organic methods, and that is why you don't usually find organic crops from the northeast. For example, apples, one of the northeast's big crops, are generally grown in large orchards and so apple pests are attracted in great numbers to these areas and it is easy for disease to spread between trees.
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For more information about Glynwood Farm, visit the website.

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The information on this page is from interviews with both Carolyn and Dave Llewellyn.


Dave and Carolyn Llewellyn live and work on Glynwood Farm in Cold Spring, New York. The farm focuses on using sustainable agricultural practices while growing food for the community. Dave runs a CSA (Community Supported Agriculture) at Glynwood that 130 local families participate in. He grows about 120 varieties of over thirty different kinds of vegetables for he believes that "diversity is nature's insurance," against varying weather and pest conditions. He plants some varieties of hybrids, but tries to use mainly local varieties (lots of vegetables he plants are named after towns in the northeast) and buys seeds from local companies- such as Fedco, Johnnies, High Mowing, and Hudson Valley Seed Library- and not from large corporations like Monsanto. He does not ever use GM crops.​ All of his crops are Certified Naturally Grown (a designation given by a peer-review system that abides by organic standards).

​Glynwood Farm. Image from: <http://www.glynwood.org/programs/glynwood-farm/glynwood’s-community-supported-agriculture/>
Dave and Carolyn with their children.
The Diminishing Seed Pool