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近年来国外粮食生产增长较快,据联合国粮农组织报道。1971年粮食总产约25681.24亿斤,比1948—1952年增长了12014.52亿斤。据称,仅最近五年来,粮食生产就增长了23％。玉米、高梁杂交种及不育系制种的普及应用,小麦、水稻高产良种的广泛种植,相应配合了扩大灌溉、增施肥料、加强植物保护、提高机械化水平等措施,使这几种作物产量大幅度增加,而所费劳力和成本显著减少。
In recent years, foreign grain production increased rapidly, according to the UN Food and Agriculture Organization. The total grain output in 1971 was 2,568,124 million kg, an increase of 1,221,452 million kg from 1948 to 1952. Allegedly, food production increased by 23% in the past five years alone. The popularization and application of seed production of maize and sorghum hybrids and sterile lines, the widespread cultivation of high-yielding wheat and rice varieties, and corresponding measures such as expanding irrigation, increasing fertilizers, strengthening plant protection and increasing mechanization level, A substantial increase, while the labor costs and costs significantly reduced.