(一)无机肥料在农业生产中的位置近年国内学术界对有些人提出的所谓“有机农业”的概念发生了争论,土镶肥料科研工作的同志也有不同看法。但是总的看来,大多数同志不同意单纯“有机”或“无机”的看法,而倾向于“有机无机结合”这一概念。有的专家指出,中国历史上的春秋战国时代,粮食亩产为180斤,到清朝末年为280 (I) The Position of Inorganic Fertilizers in Agricultural Production In recent years, the domestic academic circles have argued about the so-called “organic agriculture” concept put forward by some people. Different comrades of soil-fertilizing scientific research also have different views. However, in general, most comrades disagree with the notion of purely organic or inorganic and tend to be the concept of organic-inorganic combination. Some experts pointed out that in the Spring and Autumn Period and the Warring States Period in the history of China, grain yield per mu was 180 pounds, reaching 280 by the end of the Qing Dynasty