Forestry
John LaRose Jr. John LaRose Jr.
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Topics: Agriculture US, Forestry, Agriculture Global, Food Waste, Research, Ag North America, Education,
John LaRose Jr. John LaRose Jr.
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Topics: Soil Health, Forestry, Agriculture Global, World Population, Regenerative Agriculture, Education, Weather,

Nitrogen deposition accelerates soil carbon sequestration in tropical forests

Forest soil carbon (C) storage plays a central role in sequestrating atmospheric CO2 on timescales from centuries to millennia. However, our current understanding of soil C sequestration in response to N deposition mainly focuses on mid-to-high latitudes in the Northern Hemisphere, where N supply typically constrains forest growth. We lack data about changes in soil C stocks in tropical forests, where most ecosystems are N-rich or N-saturated. Using more than a decade of continuous N addition experiment and a meta-analysis, we found that excess N deposition can significantly increase soil C in N-rich tropical forests. However, enhanced C sequestration in tropical soils is not a good reason to justify excess N emissions to the atmosphere. Data have been deposited with the South China Botanical Garden of the Chinese Academy of Sciences () All other study data are included in the article and/or [ SI Appendix ][1]. [1]: https://www.pnas.org/lookup/suppl/doi:10.1073/pnas.2020790118/-/DCSupplemental

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John LaRose Jr. John LaRose Jr.
shared this article 4 years ago
Topics: Agriculture US, Forestry, Agriculture Global, Ethanol/Biofuel, Economics, Sustainability, Regenerative Agriculture, Renewable Energy (Solar/Wind),
John LaRose Jr. John LaRose Jr.
shared this article 4 years ago
Topics: Forestry, Agriculture Global, Economics, Sustainability, Government / Policies, World Population, Regenerative Agriculture, Weather,

Are Huge Tree Planting Projects More Hype than Solution?

High-profile programs aimed at planting billions of trees are being launched worldwide. But a growing number of scientists are warning that these massive projects can wreck natural ecosystems, dry up water supplies, damage agriculture, and push people off their land.

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John LaRose Jr. John LaRose Jr.
shared this article 4 years ago
Topics: Forestry, Agriculture Global, Sustainability, Crop Diseases, Research,
John LaRose Jr. John LaRose Jr.
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Topics: Agriculture US, Organic, Forestry, Food/Nutrition, Sustainability, Weather,
John LaRose Jr. John LaRose Jr.
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Topics: Agriculture US, Pesticides, Forestry, Economics, Pest Control,
John LaRose Jr. John LaRose Jr.
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Topics: Cover Crops, Forestry, Crop Consultant, Sustainability, Research,

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