谈谈粮食生产与商品粮基地的建设张天胜／黑龙江省绥滨县第一中学一、粮食生产——国脉所系目前，我国正处于人口出生的高峰期，每年净增人口１４００多万人，预计到２０５０年我国人口将高达１６亿。由于自然和人为的原因，我国的耕地面积却在锐减，每年减少的耕地面积约... First, secondary schools in Suibin County, Heilongjiang Province Food production - Guomai Department At present, China is at a peak of population birth, a net increase of more than 14 million people each year, is expected to By 2050 our population will reach 1.6 billion. Due to natural and man-made reasons, the area of ​​cultivated land in our country is decreasing sharply, and the area of ​​cultivated land we reduce every year is about ...