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一.绪言甘薯(红苕)在我国粮食作物中所估的地位,是非常重要的。以全国范围来说,杂粮作物中除玉米外,则以甘薯的栽培面积最广和生产额最高。我省栽培面积,几与玉米不相上下。其栽培面积约占全国甘薯栽培面积的19%。我国发展国民经济的第一个五年计划中规定。薯类作物的种植面积与产量1957年比1952年增加:种植面积13%每亩产量15.5%;总产量30.5%。从此,可以看出国家在第一个五年计划中,发展粮食生产是最重要的任务,而甘薯在粮食中又为高额产量作物之一。为了保证工业的建设与发展,人民应该节约细粮,
I. INTRODUCTION It is very important that sweet potato (red crab) be assessed in the grain crops in our country. Across the country, cereals other than corn are the most widely cultivated and most productive in sweet potato. Cultivation area in our province, a few comparable with corn. The cultivation area accounts for about 19% of the country’s sweet potato cultivation area. China’s development of the national economy in the first five-year plan. The planting area and output of potato crops increased in 1957 compared with 1952: the acreage of 13% of acreage was 15.5% and the total output was 30.5%. From this, we can see that in the first five-year plan, the development of food production is the most important task in the country, and sweet potato is one of the high-yield crops in grain. In order to ensure the construction and development of industry, people should save more grain,