绿色环保型农业的实践，例如水和有机养料的高效利用，预计到2050年，可以在没有损害自然环境的前提下养活大约90亿的世界人口。
Greening agricultural with practices such as efficient use of water or organic nutrients would offer a means of feeding a global population of about 9 billion by 2050 without damaging nature.
青铜时代的北方地区，早期文明受自然环境巨变的影响，开始由农业文明向半农半牧型文明过渡。
The northern area in Bronze Age, whose earlier civilization was influenced by the great change of natural circumstance, began to transit from agricultural civilization to agri-nomadic civilization.
第一部分：农业时代自然人的生存状态和经验型的管理思想。
There are 3 sections: 1 Existence condition of natural man and management idea of empiric in agricultural times.
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