Farming practices today exist on a broad spectrum, from highly industrialized conventional systems to holistic methods like biodynamic and regenerative agriculture. Each approach offers unique methods, advantages, and challenges, with profound implications for soil health, food quality, environmental sustainability, and human health. This blog delves deeply into these farming systems, examining their defining features and addressing critical issues such as glyphosate contamination, the risks of manure use, and the complexities of truly sustainable agriculture.
Conventional Farming: Efficiency at a Cost
Conventional farming dominates global agriculture, characterized by heavy reliance on:
- Genetically Modified (GMO) Seeds: Engineered for traits like pest resistance and herbicide tolerance, GMO seeds are a cornerstone of conventional farming. Herbicide-tolerant crops (e.g., "Roundup® Ready") allow for widespread glyphosate application, simplifying weed management.
- Synthetic Fertilizers: Used to supply nitrogen, phosphorus, and potassium (NPK), synthetic fertilizers focus on immediate plant nutrition but often neglect long-term soil health and trace mineral nutrients that are vital for the nutritional quality of crops and are often overlooked.
- Herbicides and Pesticides: Glyphosate, one of the most widely used herbicides, is frequently applied in no-till systems to control weeds. No-till farming can involve up to three glyphosate applications per year, which, while reducing soil erosion, raises concerns about chemical residues in food and water systems.
Key Issues:
- Soil Degradation: Continuous chemical inputs can disrupt soil microbiomes and deplete organic matter, reducing fertility and resilience.
- Glyphosate Contamination: Glyphosate’s chelating properties bind essential minerals in the soil, potentially leading to deficiencies in crops and subsequent nutrient gaps in human diets.
- Environmental Impact: Excessive fertilizer use contributes to waterway eutrophication, while pesticide overuse harms pollinators and biodiversity.
Organic Farming: Back to Basics
Organic farming eschews synthetic chemicals in favor of:
- Natural Fertilizers: Manure, compost, and cover crops restore soil organic matter and nutrients.
- Biological Pest Control: Encouraging beneficial insects and biodiversity minimizes pest pressure.
- Crop Rotations and Diversification: These practices enhance soil health and reduce dependency on external inputs.
Challenges with Manure Use
Organic farming’s reliance on manure introduces unintended risks:
- Glyphosate in Manure: Even organic systems can suffer from glyphosate contamination if manure comes from animals fed GMO grain or sprayed forage. A stark example is the "Saga of the Soggy Sauerkraut," where organic cabbage grown with glyphosate-contaminated poultry manure produced unmarketable sauerkraut due to nutrient imbalances caused by glyphosate’s mineral-binding properties.
- Antibiotic Residues: Studies reveal that manure from antibiotic-treated cattle can contain residual antibiotics, contributing to environmental contamination and potentially fostering antibiotic-resistant bacteria.
Additionally, many local farms may not be certified organic but often practice more sustainable and less chemical-intensive farming methods. To find local farms that align with sustainable practices, resources like LocalHarvest.org or the Weston A. Price Foundation can be invaluable.
Biodynamic Farming: Farming in Harmony with Nature
Pioneered by Rudolf Steiner in the 1920s, biodynamic farming takes organic principles further by integrating spiritual and ecological considerations:
- Unique Preparations: Biodynamic farmers use preparations like fermented herbal mixtures and cow horn manure to enhance soil vitality and microbial activity.
- Closed-Loop Systems: Emphasis is placed on self-sufficiency, with farms generating their own compost, seeds, and feed.
- Holistic Approach: Biodynamic farming views the farm as a living organism, striving for balance between crops, livestock, and the environment.
While biodynamic practices often overlap with organic methods, their philosophical foundation and use of preparations set them apart.
Regenerative Agriculture: A Buzzword with Diverging Interpretations
Regenerative agriculture seeks to restore degraded soils and ecosystems by:
- Building Soil Organic Matter: Practices like cover cropping, composting, and mob grazing enhance carbon sequestration and soil health.
- Minimizing Soil Disturbance: No-till systems are commonly touted for reducing erosion and preserving soil structure.
- Increasing Biodiversity: Incorporating diverse crops and livestock fosters ecological balance.
Controversy Around "Regenerative" Labeling
The term "regenerative agriculture" has been increasingly co-opted by conventional systems, particularly no-till farming reliant on glyphosate. While no-till reduces soil disturbance, the heavy use of herbicides conflicts with regenerative principles of chemical reduction and ecosystem restoration. This misuse highlights the need for stricter definitions and standards within the regenerative movement.
Nutritional Differences Between Farming Methods
Emerging research suggests that farming practices significantly influence the nutritional profile of crops:
- Organic vs. Conventional: Studies indicate that organic crops often have higher levels of antioxidants, vitamins, and certain minerals compared to their conventional counterparts, which can be depleted due to synthetic fertilizer use and soil degradation.
- Biodynamic Benefits: Crops grown biodynamically may have even greater nutrient density, likely due to the emphasis on soil health and biodiversity.
- Challenges in Measurement: Despite these findings, farmers are rarely compensated for producing nutritionally superior crops, as current agricultural systems prioritize yield over quality. This disconnect discourages practices that enhance food quality and sustainability.
Innovations in Sustainable Farming: Ancient Organics® BioSciences (AO)
Innovative solutions are emerging to address challenges in sustainable agriculture. AO has developed the PaleoPower product, which:
- Increases Yield: By enhancing soil fertility and nutrient availability, PaleoPower supports higher crop productivity.
- Improves Nutrient Uptake: Its unique formulation helps plants absorb essential minerals more efficiently, contributing to better crop nutrition.
- Reduces Glyphosate Impact: PaleoPower mitigates glyphosate’s effects in farming systems and manure operations, offering a path to cleaner, healthier soils and crops.
Additionally, PaleoPower is available for home gardening under the name Yield & Shield ™, on our website making these benefits accessible to individual gardeners. We are a minority interest owner in AO. We developed the product under Raul Cano’s leadership with the help of Dr. Don Huber, an expert in glyphosate’s impact on plants and soils. You can read more about our latest research here and here.
Comparing Farming Systems: A Summary
Aspect |
Conventional |
Organic |
Biodynamic |
Regenerative |
Chemical Inputs |
Synthetic fertilizers, herbicides, pesticides |
Natural fertilizers, no synthetic chemicals |
Natural inputs, plus biodynamic preparations |
Varies: Can include both natural and synthetic inputs |
Soil Health |
Often degraded |
Improved through organic matter |
Central focus, with spiritual dimensions |
Enhanced through carbon-focused practices |
Glyphosate Use |
High |
None, but contamination risks from manure |
None |
Often high in no-till systems |
Environmental Impact |
Significant |
Reduced |
Minimal |
Varies widely |
Nutritional Quality |
Often lower due to depleted soils |
Higher antioxidant and mineral content |
Highest potential nutrient density |
Varies depending on chemical and soil practices |
Philosophical Approach |
Efficiency-driven |
Natural and ecological |
Holistic and spiritual |
Restoration-focused, but inconsistently applied |
The Path Forward: Toward Truly Sustainable Farming
Each farming method offers lessons and challenges. While organic and biodynamic systems prioritize soil health and minimize chemical reliance, they must address contamination risks from inputs like manure. Regenerative agriculture holds great promise for ecosystem restoration but risks dilution of its principles when chemical-intensive practices like glyphosate-dependent no-till are included under its umbrella.
Innovations like Ancient Organics BioSciences’ PaleoPower demonstrate the potential for bridging productivity and sustainability by improving yield, nutrient uptake, and mitigating chemical impacts. Additionally, Yield & Shield brings these advancements to home gardeners, empowering them to grow healthier crops with reduced environmental impact.
The future of sustainable farming lies in integrating the best practices from each system while holding to strict standards that prioritize ecological balance, human health, and food quality. Transparency, rigorous testing of inputs, and ongoing research are essential to achieve these goals and ensure farming systems genuinely nourish people and the planet.
Further Reading and Resources
For readers interested in diving deeper into sustainable agriculture and holistic farming practices, the following authors and journalists provide insightful perspectives. We often think of these issues as being political and having a particular political perspective. I encourage you to think about them in a broader context, in a way that would be less polarizing but provide some shared values from the different political perspectives about the sacredness of our food and how food systems are what have historically held our “cultures” together. Wendell Berry, a favorite author of mine, has written a lot about these issues, well ahead of the times we are experiencing today. In fact, he predicted much of what we are seeing in terms of our changing society and culture. The Unsettling of America and The Gift of Good Land are two I enjoy in particular, but I would suggest any of his books for a perspective on food systems and the importance of respecting the land and each other.
Here are some other authors and journalists who write about food and food systems. While you or I may not agree with every position discussed by these authors, it can be helpful to think about different perspectives and consider what they do have in common, healthier food for a healthier planet - good stewardship:
- Sally Fallon, Weston Price Foundation: The Weston Price Foundation was founded by Dr. Weston A.Price and is a long standing advocate of traditional food systems and nutrient dense foods for better health.
- Robin Wall Kimmerer: Author of Braiding Sweetgrass, Kimmerer blends Indigenous wisdom and scientific knowledge to explore our relationship with the natural world. Learn more at robinwallkimmerer.com. Her latest book, The Serviceberry will be the topic for our February 2025 book club discussing ecosystem services and alternative ways of thinking about what is ‘economic’
- Liz Reitzig, Raw Milk Mama, Substack blog, a newsletter about food freedom, our food systems, and how to create local food security in our communities.
- Danielle Nierenberg: Co-founder of Food Tank, Nierenberg writes extensively on sustainable agriculture and food system innovations. Visit Food Tank.
- Vandana Shiva: An environmental activist and advocate for biodiversity and sustainable farming, Shiva’s work critiques industrial agriculture. Explore her work at Navdanya International. I found Vandana very early on in my research on the food systems and what we have done to our agricultural systems and the people who work in them.
- Tara Couture: Slowdown Farmstead, Substack blog, “Cultivating authenticity in a synthetic world. Ruminations on ancestral food, healthy living, family, homesteading, connection to the natural world, life, death and this radical little thing called “sovereignty” at Slowdown Farmstead.
- Tom Philpott: Journalist and author covering food politics and sustainable agriculture, with contributions available through Mother Jones.
Exploring these voices can provide a wealth of knowledge and inspiration for understanding and supporting sustainable agriculture.
With gratitude,
Martha Carlin, is a “Citizen Scientist”, systems thinker, wife of Parkinson’s warrior, John Carlin, and founder of The BioCollective , a microbiome company expanding the reach of science and BiotiQuest, the first of it’s kind probiotic line. Since John’s diagnosis in 2002, Martha began learning the science of agriculture, nutrition, environment, infectious disease, Parkinson’s pathology and much more. In 2014, when the first research was published showing a connection between the gut bacteria and the two phenotypes of Parkinson’s, Martha quit her former career as a business turnaround expert and founded The BioCollective to accelerate the discovery of the impact of gut health on all human disease. Martha was a speaker at the White House 2016 Microbiome Initiative launch, challenging the scientific community to “think in a broader context”. Her systems thinking background and experience has led to collaborations across the scientific spectrum from neuroscience to engineering to infectious disease. She is a respected out of the box problem solver in the microbiome field and brings a unique perspective to helping others understand the connections from the soil to the food to our guts and our brains.
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