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水稻土是人类的重要土地资源之一,全世界有一半以上的人口以稻谷为其主食,中国是世界主要的产稻国家之一,其水稻土地域分布极广。中国水稻土面积占世界水稻土面积的23%占中国粮食耕地面积的29%(1987)。中国稻谷总产占全世界稻谷总产的39%,占中国粮食总产的44%(1987)。因此,中国水稻土资源及稻谷生产的科研成果,不但对提高中国的粮食生产和经济发展而且对世界水稻土的研究和稻谷生产的贡献,都具有非常重要的地位。本书在李庆逵先生领导下,有关具有30多年研究水稻土的中国土壤学专家的群策群
Paddy soil is one of humanity’s important land resources. More than half of the population in the world uses paddy as its staple food. China is one of the major rice producing countries in the world, and its paddy soil is widely distributed. China’s paddy soil area accounts for 23% of the world’s paddy soil area, accounting for 29% of China’s grain acreage (1987). China’s paddy output accounts for 39% of the world’s rice production and 44% of China’s total grain output (1987). Therefore, the achievements of scientific research on paddy soil resources and rice production in China have played an important role not only in improving China’s grain production and economic development, but also in contributing to the world’s paddy soil research and rice production. This book under the leadership of Mr. Li Qinglian, with more than 30 years of paddy soil research experts in soil science in China