What is a repeatable way to test biodynamic climate resilience on a farm?

Choose fixed fields or crop blocks and keep the same records each season: preparation and compost dates, rainfall and temperature, irrigation volume, soil organic matter, aggregation or infiltration, crop vigor, disease and pest expression, yield, and keeping quality. Compare treated areas over time and, where possible, with an untreated or neighboring reference area. This turns normal farm work into a useful multi-year dataset.

What preparation schedules in Issue 093 can growers use as field benchmarks?

Turtle Tree Seed reported BD 500 six to eight times yearly and BD 501 three to five times, while Live Power Community Farm used BD 500 two or three times and BD 501 about five times per growing season. Marian Farms applied BD 500 with Barrel Compound postharvest, mid-season, and pre-growth; used BD 507 and BD 508 before bloom and during frost or mildew periods; and followed with three BD 501 applications after fruit set.

How does the issue organize biodynamic frost and moisture management?

Build the baseline with living soil, compost, cover crops, and BD 500. In orchards, apply Tree Paste after leaf fall and again with late-winter pruning, use BD 507 around forecast frost, use BD 508 when wet conditions favor rank growth or fungal pressure, and time BD 501 to light and fruit-development needs. Log bud stage, minimum temperature, leaf wetness, damage, recovery, and fruit set after every event.

Which measurable results from the farm survey are most useful for comparison?

Track irrigation water per acre, soil moisture duration, topsoil depth, soil organic matter, pasture carrying capacity, yield stability, and crop keeping quality. Marian Farms reported using 25–40% less water than nearby conventional farms, depending on crop and year; other farms reported deeper topsoil, greener pastures, and stronger water retention. Using the same measures annually makes these observations repeatable.

Applied Biodynamics archive

Applied Biodynamics — Issue 093 (Spring/Summer 2018)

<p>Issue 093 connects climate science with regional farm records, soil-carbon building, preparation schedules, frost and moisture management, and repeatable ways to measure biodynamic resilience.</p>

December 30, 2025 Published by The Josephine Porter Institute Download PDF

Issue 093 examines climate change through atmospheric science, regional weather records, farmer observation, and biodynamic practice. Its strongest contribution is practical: it turns a broad environmental challenge into measurable farm work—building soil organic matter, increasing biological activity and water-holding capacity, maintaining perennial cover, reducing fossil-fuel dependence, and recording how crops respond to preparations under frost, drought, heat, and excessive rain.

In “Global Climate Change in a Nutshell, and What You Can Do,” Mike Biltonen explains greenhouse warming, ocean and ice changes, heavy-rain and drought patterns, heat stress, pest-range shifts, and the growing frost risk created when winter warm spells advance bud break. He joins adaptation—drainage, irrigation, season extension, frost protection—with mitigation through trees and perennial crops, reduced tillage, a strong soil microbiome, and increased soil organic matter. The article’s working rule of thumb is that a global two-percentage-point increase in soil organic matter would sequester carbon equivalent to roughly 15 ppm of atmospheric CO₂.

The preparation overview presents biodynamics as a whole-farm response. BD 500 supports the soil food web, root–soil connection, organic-matter accumulation, and biological competition; BD 501 supplies a silica and light influence valuable in cold, wet conditions; BD 502–507 regulate compost and plant nutrition; BD 507 is used as a warming spray around frost; and BD 508 supports balance where excess moisture and fungal pressure are strong. For orchards, the issue recommends Tree Paste in autumn and late winter, followed by well-timed BD 500, BD 501, BD 507, and—where appropriate—BD 502.

“Remembrance Farms: How One Farmer Works With Change” profiles Nathaniel and Emily Thompson’s 100-acre, Demeter-certified vegetable farm in New York. Their baseline is to apply every preparation at least annually, spray BD 500 together with Barrel Compound, make or source preparations within regional networks, and strengthen crop rotations with more cover cropping and closer soil-nutrition observation. Thompson frames the farmer as conductor: the whole farm, the preparations, and responsive management work together.

“Climate Change on Biodynamic Farms: Survey Responses” provides especially useful field schedules. Turtle Tree Seed reported BD 500 six to eight times a year, BD 501 three to five times, compost preparations at every compost turning, Barrel Compound alone or with BD 500, and Three Kings once annually. Live Power Community Farm reported BD 500 two or three times, BD 501 about five times through the growing season, and preparations in eight annual compost piles about 30 feet long. Marian Farms organized three BD 500-plus-Barrel Compound applications around each crop cycle—postharvest, mid-season, and pre-growth—used BD 507 and BD 508 before blossom and during frost or mildew periods, then applied BD 501 three times after fruit set. Marian Farms also reported using 25–40% less irrigation water than nearby conventional farms, depending on crop and year.

The survey preserves regional adaptation strategies: evening transplanting and moisture-aware cultivation in Virginia; windbreaks, warm-season prairie grasses, forage-heavy rotations, and prepared BD 500 in Minnesota; later-blooming fruit varieties, monthly preparation use, and repeated frost sprays at 6,800 feet in Colorado; and more compost plus more frequent BD 500 in California heat. These reports provide a strong template for growers to repeat locally by logging preparation dates, weather, irrigation, soil organic matter, crop vigor, disease expression, yield, keeping quality, and neighboring-field comparisons.

In “From Backyard Hobby Gardening to a New Passion for a Healthy Earth,” Mike Reisbord shows the same principles at garden scale. A 40-by-40-foot home garden incorporates home compost, goat bedding, seed saving, the planting calendar, BD 502–507, and mentoring from Jack McAndrew. At the Farm at Malibu, Reisbord follows a 20-ton teaching pile and a roughly 40-ton holding pile, learning even moisture through feathering, native-soil inoculation, and Pfeiffer Compost Starter. His account makes preparation work approachable without reducing its discipline.

Dennis Klocek’s “Climate Change Debate: Can We Turn Down the Heat?” and Mary Maruca’s review of Climate: Soul of the Earth extend the issue into long-duration rhythm research. Klocek combines climatic datasets with planetary sequences and calls for mathematically reproducible, phenomenological, data-rich study. JPI news, World Biodynamic Farming Day, preparation-material collection, and board updates complete the issue.

Articles

Global Climate Change in a Nutshell, and What You Can Do — Mike Biltonen
Remembrance Farms: How One Farmer Works With Change — Mike Biltonen
Climate Change on Biodynamic Farms: Survey Responses
From Backyard Hobby Gardening to a New Passion for a Healthy Earth—An Education in Awareness — Mike Reisbord
Climate Change Debate: Can We Turn Down the Heat? — Dennis Klocek
Climate: Soul of the Earth, by Dennis Klocek — reviewed by Mary Maruca
JPI News — Pat Frazier
Introducing Our Newest Board Member: Pamela Sophiajohn
Call for Board Members
Upcoming Events and Dandelion Blossoms Sought
World Biodynamic Farming Day