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2,4—D是一种生长激素。本试验是以2,4—D处理紫云英种子,观察其通过种子处理,能否加速生长,提高产量,以备在生产上应用。试验于1959年9月至1960年4月在宁波市古林公社红专学校农场进行。供试的紫云英品种为姜山种,前作为连作晚稻。处理紫云英种子的2,4—D溶液,分为含2,4—D 200 ppm和100 ppm两种,以人尿浸种的作对照;浸种时间均为4小时。试验小区面积为0.5亩,重复2次。9月23日播种,每亩播种
2,4-D is a growth hormone. In this experiment, Aspergillus niger seeds were treated with 2,4-D and the seeds were treated to see if they could accelerate the growth and increase the yield, so that they could be applied in production. The experiment was conducted from September 1959 to April 1960 at the GuLin Commune Vocational College Farm in Ningbo. The test for the variety of milk veranda ginger species, even as a late crop. The 2,4-D solution of Astragalus mongholicus seeds was treated with two concentrations of 2,4-D 200 ppm and 100 ppm for human soaking. The soaking time was 4 hours. The test plot area of 0.5 acres, repeat 2 times. September 23 planting, sown per mu