条件筛选
-
Wheat blossom midge can be controlled by broadcasting pesticide-treated soil at the booting stage
The wheat blossom midge overwinters as mature larvae in round cocoons in deep soil and can remain dormant for many years. In spring, when the soil temperature at 10 cm rises to about 7°C, which is when wheat begins jointing, the larvae break out of their cocoons and move toward the soil surface. In mid-April, wheat enters the booting stage, and the larvae
-
A Canadian broadcaster insulted a Chinese athlete, and the chef got angry when he heard about it
After the chef heard that a Canadian broadcaster had insulted a Chinese athlete, he was furious!