【摘要】 粮食安全问题是关系到社会稳定、经济安全乃至国家安全的战略大事,"无粮不稳"深刻地表达了这种思想。要保障粮食安全,作物高产是人类追求的永恒目标。为此,阐述了作物高产的概念,分析了作物高产的必要性,指出了要实现作物高产所面临的问题,同时提出了保证我国作物持续高产的途径和建议。更多还原

【Abstract】 Food safety problems are related to social stability and economic security and national security,the thought expressed by no food instability profoundly.in order to ensure food security,crop yield is the eternal pursuit of mankind goal.This paper expounds the concept of crop yield,analyses the necessity of crop yield,pointed out the problem to achieve high crop yields the problem faced,and puts forward that the way of crop yield and advice.更多还原