Tag Archives: nitrogen

Rice gene could make “green revolution” plants greener by cutting back on fertilizer

Posted on March 6, 2020 by Carolyn Beans

The green revolution was launched, in large part, with rather squat plants. In the 1960s, farmers began using semidwarf varieties of wheat and rice that produced many grain-bearing branches known as tillers. When farmers added nitrogen fertilizer, the plants gained … Continue reading →

Genome of “mile-a-minute weed” hints at the secrets to its invasive success

Posted on February 7, 2020 by Amber Dance

The weedy vine Mikania micrantha, originally from Central and South America, has become a worldwide menace. Thus far, it’s spread to tropical climes in China and Southeast Asia, Australia, and islands of the Pacific and Indian Oceans, as well as … Continue reading →

Nitrogen-fixing bacteria talk to soybean roots via tiny RNAs, suggesting new avenue to improve yields

Posted on August 2, 2019 by Amber Dance

In order for soybean plants to get their necessary dose of nitrogen, they partner with bacteria called rhizobia, which can convert atmospheric nitrogen into organic forms the plant can use. But scientists don’t have the full picture of what facilitates … Continue reading →

Journal Club: Why do trees fix nitrogen in certain forests and not others? Model offers insights with big implications for the biosphere

Posted on December 14, 2015 by Charles Choi

Many trees can generate their own fertilizer from nitrogen in the air. But it remains a mystery as to why they grow where they do – for example, few grow in the nitrogen-poor soils of temperate forests but many thrive … Continue reading →