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。
英國超市將巧克力鎖進防盜盒阻止「訂單式」偷竊
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"The scale is what makes it so extraordinary," Neil Redfern from the Council for British Archaeology says comparing HS2 to other big development projects.
Now, genetic evidence has revealed a striking imbalance in these prehistoric trysts, suggesting that interbreeding was mostly between male Neanderthals and female humans.