Save Soil Podcast Por Andres Diaz arte de portada

Save Soil
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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 Ciencia Ciencias Biológicas
Episodios
  • Microplastics in agricultural soil: what effects do they have on the harvest?

    Microplastics in agricultural soil: what effects do they have on the harvest?
    Oct 6 2025
    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 m
  • Acidic Soils: How to Restore Their Agricultural Fertility?

    Acidic Soils: How to Restore Their Agricultural Fertility?
    Sep 29 2025
    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 m
  • Pesticides in Agricultural Soil: How to Restore Its Life?

    Pesticides in Agricultural Soil: How to Restore Its Life?
    Sep 15 2025
    Summary: - Pesticides do more than protect crops; they disrupt the soil’s living ecosystem, affecting microbes, earthworms, and fungi that underpin plant health, water/nutrient storage, and long-term farm viability. - Soil health is foundational for sustainable farming. Residues can persist for months or years, shifting microbial communities, slowing organic matter decomposition, reducing yields, and potentially impacting water quality and food safety. - A single gram of soil can host up to a billion microorganisms; mycorrhizal fungi help nutrient uptake, and pesticides can weaken these crucial plant–soil relationships. - The speaker channels a Sadhguru-inspired view: treat soil as a living organism, aim to restore life with more organic matter, less tillage, cover crops, and practices that strengthen the plant–soil network; reduce harsh chemicals and increase compost, trees, and biodiversity. - Practical restoration steps include: (1) cut doses and apply IPM (monitoring, traps, crop choices, biocontrol) to reduce chemicals; (2) add organic matter (mature compost, well-decomposed manure, residues); (3) rotate crops and use cover crops (legumes, grasses) to fix nitrogen and build biomass; (4) practice reduced or no tillage; (5) use inoculants and biocontrol (mycorrhizae, growth promoters, degrader fungi) with guidance and registered products; (6) regular monitoring of residues, biodiversity, and plant responses. - Expected results: increased soil life, better water infiltration, greater resilience to drought and heavy rain, and a gradual drop in residues; restoration takes time (6–12 months to see changes). - A practical start includes: documenting pesticides used and timing; switching to less persistent products if possible; adding compost at the root zone; planting cover crops for at least three seasons; observing earthworms, soil moisture, and plant vitality. - Set clear goals and measure progress by recording doses/dates, tracking cover crops, monitoring root density and earthworms, and testing soil every six months for organic matter, pH, and nutrients. - Community approach: frame restoration as a family or neighborhood project with weekly soil actions (e.g., pesticide-free borders, compost, new cover crops). - Closing: soil restoration is a shared duty among farmers, consumers, and communities; desertification is real and every action counts; visit savesoil.org for more. Remeber you can contact me at andresdiaz@bestmanagement.org
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    4 m
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