实拍照片保留原作者与机构署名；AI画面均为教学重建，不是显微测量或地区试验记录。影片使用缓慢数字运镜，部分素材跨片复用。
实拍影像
ARS-03 · Dave Clark, USDA ARS
No-till corn after vegetation termination
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NRCS-01 · USDA NRCS / Brandon O’Connor
Nick Wenning plants corn directly into a field covered in red clover on May 24, 2021 in Greensburg, Indiana.
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NRCS-02 · USDA NRCS / Brandon O’Connor
Former Indiana NRCS state soil health specialist Stephanie McLain checks corn seed depth and analyzes the soil at Wenning Farm in Greensburg, IN May 24, 2021.
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NRCS-03 · USDA NRCS / Brandon O’Connor
A no-till planter sits ready to plant corn directly into a field covered with red clover at Wenning Farm in Greensburg, IN on May, 24 2021
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NRCS-04 · USDA NRCS / Brandon O’Connor
Crimson clover grows as a Cover crop grow in a field in Evansville, Indiana prior to corn being planted.
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NRCS-05 · USDA NRCS / Brandon O’Connor
John Bittner, a farmer in Evansville Indiana, uses a 30-foot roller crimper to terminate cover crops after his son Patrick Bittner planted corn directly into them on May 13, 2021.
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NRCS-06 · USDA NRCS / Brandon O’Connor
Steve Worland plants field corn into a stand of cover crop in Freedom, Indiana May 12, 2022
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NRCS-07 · USDA NRCS
Residue on a field with farm buildings in the distance.
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NRCS-10 · USDA NRCS
Hands holding a clump of soil with grass and an earthworm.
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NRCS-11 · USDA NRCS
A cover crop on a field with mountains in the distance.
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NRCS-12 · USDA NRCS
A field with a cover crop growing and trees in the background.
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NRCS-13 · USDA NRCS
A field with a cover crop and stubble.
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ARS-05 · Jack Dykinga, USDA ARS
No-till cotton and adjacent conventionally tilled soil
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ARS-07 · Jack Dykinga, USDA ARS
Erosion in a Washington wheat field
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ARS-08 · Don Tanaka, USDA ARS
Triticale harvest leaving swaths for winter cattle feed; not even spreading
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HAPPY-01 · FatherofGod / Wikimedia Commons
National Agro Happy Seeder.jpg
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HAPPY-02 · FatherofGod / Wikimedia Commons
WhatsApp-Image-2017-08-21-at-4.41.jpg
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技术参考
各文章末尾保留其对应参考资料。影片与配套文章一同使用，不能从画面推算增产率或具体操作参数。
FAO · What is Conservation Agriculture?
https://www.fao.org/conservation-agriculture/overview/what-is-conservation-agriculture/en/
吉林省农业农村厅 · 2025年吉林省秸秆还田主推技术指南——玉米秸秆覆盖还田条耕种植技术
https://agri.jl.gov.cn/yw/kjtg/202503/t20250331_3422087.html
吉林省农业农村厅 · 2025年吉林省秸秆还田主推技术指南——玉米秸秆全覆盖免耕播种种植技术
https://agri.jl.gov.cn/yw/kjtg/202503/t20250331_3422117.html
FAO · Soil organic cover
https://www.fao.org/conservation-agriculture/in-practice/soil-organic-cover/en/
USDA NRCS · Cover Crops for Soil Health
https://www.nrcs.usda.gov/conservation-basics/soil/soil-health/cover-crops-for-soil-health
University of Minnesota Extension · Spring management of cover crops
https://extension.umn.edu/agriculture/crop-production/cover-crops/spring-management-of-cover-crops
USDA NRCS · Soil Biology Primer
https://www.nrcs.usda.gov/resources/education-and-teaching-materials/soil-biology-primer
USDA NRCS · Soil Health Assessment
https://www.nrcs.usda.gov/conservation-basics/soil/soil-health/soil-health-assessment
Cornell University / Boyce Thompson Institute · Soil bacteria could improve crop yields via fungi
https://news.cornell.edu/stories/2021/04/soil-bacteria-could-improve-crop-yields-fungi
USDA NRCS · Soil Tech Note 11A—Biological Underground Community
https://www.nrcs.usda.gov/state-offices/illinois/soil-tech-note-11a-biological-underground-community
USDA NRCS · Soil Tech Note 10A—Earthworms
https://www.nrcs.usda.gov/state-offices/illinois/soil-tech-note-10a-earthworms
USDA NRCS · Soil Tech Note 16A—Compacted Zone in Soil
https://www.nrcs.usda.gov/state-offices/illinois/soil-tech-note-16a-compacted-zone-in-soil
USDA NRCS · Soil Tech Note 20A—So How Do We Mess It Up?
https://www.nrcs.usda.gov/state-offices/illinois/soil-tech-note-20a-so-how-do-we-mess-it-up
Stewart B. Wuest, original research · Seasonal Variation in Soil Organic Carbon
https://doi.org/10.2136/sssaj2013.10.0447
Iowa State University Extension · Planter Maintenance Tips for 2019
https://crops.extension.iastate.edu/cropnews/2019/04/planter-maintenance-tips-2019
USDA NRCS · Soil Tech Note 18A—Crop Diversity
https://www.nrcs.usda.gov/state-offices/illinois/soil-tech-note-18a-crop-diversity
FAO · Conservation Agriculture principles
https://www.fao.org/conservation-agriculture/overview/conservation-agriculture-principles/en/
Iowa State University, Alison Robertson and Mark Licht · Terminating cover crops ahead of corn
https://crops.extension.iastate.edu/post/terminating-cover-crops-ahead-corn
Iowa State University Extension · Start planning for 2026 cover crop termination
https://crops.extension.iastate.edu/post/start-planning-2026-cover-crop-termination
USDA NRCS · Soil Health on Cropland
https://www.nrcs.usda.gov/conservation-basics/soil/soil-health/soil-health-on-cropland
USDA NRCS · Soil Tech Note 17A—Soil Respiration
https://www.nrcs.usda.gov/state-offices/illinois/soil-tech-note-17a-soil-respiration
Stewart B. Wuest and Nicole Durfee, USDA ARS · Temporal variability is a major source of uncertainty in soil carbon measurements
https://doi.org/10.1002/saj2.20660
Iowa State University Extension · Considerations for No-Till and High-Residue Fields in a Predicted Dry Season
https://crops.extension.iastate.edu/post/considerations-no-till-and-high-residue-fields-predicted-dry-season
USDA ARS · ARS Discovery Within Popular Cover Crop Spurs Development of New Varieties
https://scientificdiscoveries.ars.usda.gov/explore-our-discoveries/ars-discovery-within-popular-cover-crop-spurs-development-new-varieties
USDA NRCS · Soil Tech Note 7A—Fungi
https://www.nrcs.usda.gov/state-offices/illinois/soil-tech-note-7a-fungi
USDA NRCS · Soil Health Glossary
https://www.nrcs.usda.gov/state-offices/north-dakota/soil-health-glossary