『Save Soil』のカバーアート

Save Soil

Save Soil

著者： Andres Diaz
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このコンテンツについて

 A podcast dedicated to exploring the silent crisis threatening the foundation of our existence: soil degradation. In each episode, we delve into the problems facing our soils around the world and, most importantly, the practical solutions that we can all implement. From erosion and desertification to the loss of nutrients and biodiversity, our conversations with experts, farmers, and activists reveal the urgency to act now. You'll discover why the Save Soil movement is crucial for global food security, the climate crisis, and the health of our ecosystems. But this isn't just a podcast about problems: it's a call to action. We share regenerative techniques, effective policies, and lifestyle changes that can transform the health of our soils. You'll learn practical solutions that you can implement in your garden, community, or through your power as a consumer and citizen. Join us on this essential journey to understand and protect our planet's most precious and undervalued resource. Because when we save the soil, we save our future.Copyright 2025 Andres Diaz 生物科学 科学
エピソード
  • Monoculture? Rotations that restore your agricultural soil

    Monoculture? Rotations that restore your agricultural soil
    2025/12/08
    Summary: - The episode argues against monoculture and promotes crop rotations to restore soil health, boost yields, reduce costs, and improve climate resilience. - Monoculture creates an “invisible rent” in the form of more pests, more inputs, and degraded soil; soil is a living ecosystem that needs diverse feeding. - Sadhguru’s soil-healthy framework: raise organic matter from below 2% toward 3–6% with year-round living roots, agroforestry, and soil-friendly policies—emphasizing cover, diversity, and rewards. - Step-by-step plan: 1) Quick diagnosis: assess soil structure (crumbly vs dusty), infiltration rate, and life signs (earthworms, fungi, smell). 2) Set a concrete goal to raise organic matter and stabilize yields over 2–4 seasons, with regular measurement. 3) Design a rotation that mixes families and functions (example for grains with no-till): Year 1 corn with rye/vetch cover; Year 2 wheat/barley with oats + fodder radish; Year 3 soybean/bean with clover; Year 4 oilseed (sunflower/canola) with multi-species cover. 4) Refined management: sow cover crops promptly after harvest; inoculate legumes; reduce nitrogen after legumes; use rolling or controlled grazing to manage cover biomass. 5) Monitor and adjust: track yields, weeds, costs; observe pest pressures; reassess organic matter and infiltration every two cycles. - Benefits highlighted: healthier soil, reduced pest/disease cycles, improved water infiltration, and potential for carbon sequestration; some crops release disease-suppressive compounds; dense covers cool soil and protect microbiology. - Additional practices: agroforestry as windbreaks and biodiversity corridors; consider strips of native trees for multiple benefits. - Starter steps for readers: run a pilot plot, implement a four-year rotation with cover between cycles, and ensure soil is never bare. - Common mistakes to avoid: confusing two species with true diversity, burying residues too deep, delaying cover-sowing. - Progress indicators: reductions in nitrogen/herbicide use, more earthworms, better infiltration over two seasons signal success; otherwise adjust. - Closing message: soil is a complex, constant factory; sustained root activity fuels soil health and resilience; crop rotation embodies regenerative agriculture by improving soil, sequestering carbon, stabilizing yields, and reducing costs. - Call to action: start with a pilot, decide on first crop mix, document the plan, and set a date. Remeber you can contact me at andresdiaz@bestmanagement.org
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    7 分
  • Microplastics in agricultural soil: what effects do they have on the harvest?

    Microplastics in agricultural soil: what effects do they have on the harvest?
    2025/10/06
    Summary: - The episode explains microplastics in agricultural soil: tiny plastic fragments from degraded plastics, textile fibers, and farming materials, arriving also via contaminated irrigation water and compost or manure. They’re not inert and can accumulate in topsoil or spread deeper. - Effects on the soil and harvest: microplastics alter soil structure, porosity, water retention, and air flow, which affects nutrient availability and the activity of beneficial soil microbes. This can lead to less stable soil, more water stress, and sometimes lower or less uniform yields. - How microplastics interact with the field: some stay in the topsoil for years, while others penetrate deeper and interact with soil water and microbiota. They can release chemical additives and attract contaminants like heavy metals, influencing fungi, nutrient uptake, and overall plant health. - Two main impact pathways: (1) physical/structural changes to soil aggregation and water retention; (2) biochemical changes due to additives and contaminants affecting microbiota and nutrient availability. Readers are encouraged to reflect on their own field observations regarding germination and growth. - Considerations for exposure: heavy use of plastic mulch leads to fragmentation and persistent microplastics, which can affect harvest quality, texture, and plant health. - Practical steps to gain control: simple surface soil sampling to estimate plastics; assess the origin of agricultural plastics (e.g., disposable mulches or nets); prioritize waste management and consider reusable mulch options; promote soil-building practices such as cover crops, crop rotation, and adding high-quality organic matter. - Prevention and ongoing management: opt for more durable mulches, better management of sludges and compost to avoid contaminants, and promote soil biodiversity to help break down plastics and trap fewer-mobile particles. - Additional context: mentions resources on desertification (sav esou1.org) and presents Sadhguru’s view of soil as a living organism, advocating less tillage, more crop diversity, cover crops, and organic matter to nourish soil life. - Three-phase action plan: - Phase 1 – Diagnosis: root-zone soil sampling. - Phase 2 – Reduce inputs: identify and replace key plastic-entry points on the farm. - Phase 3 – Soil strengthening: use cover crops and certified compost to support microbial life. - Yield considerations: there is no universal answer; effects depend on plastic load, crop type, and soil conditions. Proper practices can minimize negative effects and maintain a viable harvest. - Monitoring guidance: use a simple log of rainfall, temperature, waste management, and visible plant stress; correlate data with productivity to gauge microplastic impact and adjust practices. - Call to action: commit to small, sustainable changes in soil management to reduce plastic load and improve soil health; healthy soil supports harvest and food security. - Closing invitation: subscribe, share, or provide feedback; contact details are given for further discussion. Remeber you can contact me at andresdiaz@bestmanagement.org
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    7 分
  • Acidic Soils: How to Restore Their Agricultural Fertility?

    Acidic Soils: How to Restore Their Agricultural Fertility?
    2025/09/29
    Summary: - The episode by Andrés Díaz explains how acidic soils reduce crop performance and how to restore fertility. - Key concepts: soil pH measures acidity, and CEC (cation exchange capacity) gauges how much positive charge the soil can hold. Soils with low CEC are more easily tipped out of balance by pH changes, and a vast soil microbiome helps release nutrients. - Effects of acidity: calcium and magnesium become less available, soil structure tightens, roots get less oxygen, and plants expend more energy to uptake nutrients, leading to lower yields, higher disease risk, and less efficient fertilizer use. - Diagnosis and targets: measure pH and base saturation; aim for pH around 6.0–6.5 for most crops (some fruit trees tolerate slightly lower); test deeper soil as well. - Liming as a fix: use calcitic or dolomitic lime depending on whether you need Ca alone or Ca plus Mg. Do not guess the dose—calculate it from target pH, CEC, and soil reactivity, and apply in stages to avoid salinity shocks. Pair lime with increased organic matter (compost, manure, crop residues) because lime alone won’t restore soil life. - Soil texture considerations: loamier or clay soils often respond better to corrections and need smaller doses than sandy soils; adjust fertilization if phosphorus or micronutrient gaps exist to prevent new imbalances. - Practices to rebuild fertility and a living soil: add high-quality organic matter year-round, improve structure and water retention, and boost microbial diversity; this enhances nutrient availability and can reduce synthetic fertilizer needs. - Cropping strategies: use rotation and cover crops (especially legumes) to add nitrogen and reduce erosion; select crops tolerant of slightly acidic conditions while aiming to raise pH for main crops. - Six practical steps to follow: 1) test pH and base saturation; 2) calculate lime needs with professional help; 3) choose calcitic or dolomitic lime; 4) apply gradually; 5) add organic matter and use cover crops; 6) monitor and adjust annually. Keep records to learn what works in your climate. - Takeaway messages: soil is a living ecosystem; compost and cover crops often yield the biggest medium-term gains; addressing lime costs is a common concern, but a well-planned correction can boost yields and reduce fertilizer costs over time. Patience and consistency are key, with professional guidance when possible. - Additional inspiration: ideas from Save Soil and Sadhguru emphasize returning organic matter, protecting microbial diversity, and avoiding harsh chemicals, plus practical steps like composting, mulching, cover crops, and careful irrigation. Remeber you can contact me at andresdiaz@bestmanagement.org
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    5 分
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