North China (35°–40°N, 110°–120°E) is a major region in China for winter wheat agriculture. It is in the spring (March to May) in this region that the reviving, jointing and booting stages of winter wheat mainly happen.

Read more ...

Lack of varied seasons and temperatures in tropical mountains have led to species that are highly adapted to their narrow niches, creating the right conditions for new species to arise in these areas, according to a new study published Nov. 5 in the Proceedings of the National Academy of Sciences.

Read more ...

More Articles ...

Subcategories