Последние новости
好吃，不等于好种。这株看似寻常的禾本科作物，生育期长达220天至270天，从秋种到夏收，可谓“种在冰上、收在火上”。在山东省沂南县张庄镇前汉沿村，去年10月底以来，种粮大户刘增升没少操心：播前把800多亩地深翻了一遍，又拌了种子，播后镇压了一次，给弱苗喷施叶面肥……一直到开春浇下返青水，眼看苗情转好，他才宽下心。
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Reporting from, 紐約
"This was really an "oh my God" moment," says the scientist behind the findings, Dr Peter Fretwell at British Antarctic Survey, who has worked on Emperor penguins for 20 years.