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水稻插秧机械化的作用我国水稻常年种植面积3 000万 hm~2,约占全国谷物种植面积的30%,约占世界水稻种植面积的20%。我国稻谷年产量近2亿 t,约占全国粮食总产量的40%,约占世界稻谷总产量的35%。我国水稻种植面积和水稻总产量均列世界第一位,水稻生产在我国农业生产中占有十分重要的地位。在我国主要粮食作物生产
The role of rice transplanting mechanization China’s perennial planting area of 30 million hm ~ 2, accounting for about 30% of the country’s cereal acreage, accounting for about 20% of the world’s rice acreage. China’s rice output nearly 200 million tons, accounting for about 40% of the country’s total grain output, accounting for about 35% of the world’s rice production. China’s rice acreage and total output of rice are ranked first in the world, rice production in China’s agricultural production occupies a very important position. Production of main food crops in our country