(一) 近几年来,我场为了使棉花单产有新的突破,在省局支持下,运用地膜栽培,1981年示范种植3亩,1982年1368亩,今年2.1万亩。前两年平均单产分别比全场常规露地棉单产增产17.6％和32.8％,无论土质孬好,技术高低,还是回旱田块, (I) In recent years, in order to make new breakthroughs in cotton yield, the field uses plastic film cultivation with the support of the provincial bureau. In 1981, 3 mu of land was planted, 1,368 mu in 1982 and 21,000 mu this year. The average yields of the first two years respectively increased by 17.6% and 32.8% respectively compared with the conventional open-field cotton output in the audience. No matter whether soil quality is good, technology is high,