????生物固氮是陆地生态系统重要的氮源。过去很多研究认为生物固氮速率受到氮添加的抑制，但是越来越多的研究发现氮输入对森林土壤微生物固氮的影响并不总是负面的，而富氮环境下微生物固氮的驱动机制仍然不清楚。研究表明，微生物固氮是典型的耗能反应，土壤活性有机碳可能是固氮菌潜在的能量来源，因此深入探索不同来源的碳输入如何影响氮添加对土壤微生物固氮的影响将有助于理解土壤固氮的驱动机理。

The National Weather Service said gusty winds and low relative humidity will add to the forest fire concerns. "An increased ...

Discover how soil conservation measures are revitalizing tribal lands in Tamil Nadu by enhancing water retention and reducing ...

The United Nations has recognized an initiative to restore degraded farmlands in sub-Saharan Africa with a special award.

Anthropogenic activities have significantly increased atmospheric concentrations of carbon dioxide (CO2), methane (CH4), and ...

When Naperville Central High School senior Sabrina Tse learned about “tiny forests” for a class, she did the work needed to ...

The viability of our world’s forests is constantly threatened by climate change, urbanization and invasive species. Department of Plant and Soil Sciences Ph.D. student Jack Levy-Diedrich investigates ...

Fires in non-tropical forests have steadily emitted more carbon each year since 2001, releasing an additional half a billion ...

In a heartbreaking accident in Bareilly district, two young boys, aged 15 and 13, were buried alive under a collapsed mud ...

Discover the world's highest Miyawaki forest flourishing at 8000 ft in the Himalayas with a 93% success rate, showcasing ...

Officials say the next few days are of extra concern because winds are expected to gust 20 mph or more with very low humidity ...

encourage seed growth and expose bare soil to sunlight so native plants can flourish, officials said. Prescribed burns also ...