John LaRose Jr. John LaRose Jr.
shared this 2 article 4 years ago
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 2 article 4 years ago
Topics: Agriculture US, Forestry, Agriculture Global, Ethanol/Biofuel, Economics, Sustainability, Regenerative Agriculture, Renewable Energy (Solar/Wind),
Nancy Kavazanjian Nancy Kavazanjian
shared this 2 article 4 years ago
Topics: Food/Nutrition, Plant-Based/Animal Free,
Nancy Kavazanjian Nancy Kavazanjian
shared this 2 article 4 years ago
Topics: Agriculture US, Water, Sustainability,
Team AgWiki Team AgWiki
shared this 2 article 4 years ago
Team AgWiki Team AgWiki
shared this 2 article 4 years ago
Isaac L Isaac L
shared this 2 article 4 years ago
Topics: Vegetables, Agriculture Global, Young Farmers, Food/Nutrition, Potatoes, Food Security/Shortage,
John LaRose Jr. John LaRose Jr.
shared this 2 article 4 years ago
Topics: Coffee/Tea, Jobs, Sustainability, World Hunger, Government / Policies, Ag Africa, World Population,
Team AgWiki Team AgWiki
shared this 2 article 4 years ago

What's so Special About Angus Beef?

The word “Angus” conjures up the spirit of quality American beef, and it’s used by restaurants and grocery stores alike to push their products. When I was a tween, my favorite food was beef, and my favorite “grown-up” restaurant was Black Angus, a mid-level steakhouse chain that served a savory steak soup with sweet “black molasses bread,” both of which I enjoyed immensely. The Black Angus menu taught me what “medium-rare” meant, and I will forever associate it with bright red beefiness.

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