土壤中生命多樣性的再生

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講座由1分18秒開始。Presentation starts at 1’18”.

微生物在土壤建造過程的重要角色，已愈來愈成為一種普及的科學知識了，但正式地研究土壤微生物 的多元性如何促進作物生長，以及如何能持續增加土壤微生物的多樣性，很多時都只出現在科研論文中而未能普及農夫社群。Dr David Johnson 這個網上講座，先從地球生命演化過程出發，突顯了微生物在數十億年陸地的生命演化史中的角色，然後分享他模仿自然規律以製作堆肥的特別裝置，以及展示這樣製作出來的堆肥如何能持續增加土壤微生物的多樣性，再報告他應用這種堆肥作種植實踐時，數據顯示的植物生長增益，很完整地解釋了為甚麼增强土壤中生物的多樣性可為農業、牧業和應對氣候問題帶來希望，是不可多得的一個視頻。（中文字幕由綠蔭家園提供）

這視頻是 Dr Johnson 於 Soil Regen Summit 2021 (2021年3月16日) 的講座，在 YouTube 頻道 Dr Elaine’s Soil Food Web School 發報。

Dr Johnson’s work has shown that the health of soil microbial communities is essential for plant growth, soil fertility, and carbon sequestration. By optimizing these plant-microbe associations, we can significantly improve agricultural productivity and profitability, while also promoting better plant, soil, and ecosystem health.

In this video, Dr Johnson discusses his research and its implications for the future of agriculture. He also shares practical tips for how farmers and ranchers can improve the health of their soil microbial communities. Watch this video to learn how you can help build a more sustainable and resilient agricultural system!

Regenerative agriculture has the potential to significantly reduce greenhouse gas emissions and mitigate climate change. It can also improve water quality, increase crop yields, and boost biodiversity.

Soil Food Web School

About Dr David Johnson: Dr. David C. Johnson is a molecular biologist. He retired from New Mexico State University in 2023. He had collaborated with: Arizona State University, Texas A&M, USDA’s Natural Resources Conservation Service. He is continuing his research working with private foundations and growers exploring paths to improve food security, reduce atmospheric carbon dioxide concentrations, and increase productivity and profitability through the development of beneficial soil microbial communities in farm and rangeland soils. David’s current research, in soil microbial community structure and function, has opened a window for viewing the interdependence between plants and soil microbes towards improving plant growth and soil fertility. Optimization of these plant-microbe associations promotes: improved soil fertility, faster growth of crops, improved plant water use efficiencies, and greater soil carbon storage capabilities. These benefits provide a path to significantly increase crop productivity and reduce greenhouse gases within a regenerative agricultural system.

Dr Johnson’s LinkedIn page