增产素化学名叫4—溴苯氧乙酸,是一种植物生长激素。它能提高作物的授粉率,增加结实率,提早成熟和增强作物抗逆能力等,从而达到增产的效果。青岛磷肥厂一九七四年试制出增产素。近三年来,先后在临沂、昌潍、烟台三个地区和崂山县等三十多个县、五十多万亩田间进行施用试验,证明施用适当,对 Increased production of chemical name 4-bromophenoxyacetic acid, is a plant growth hormone. It can improve crop pollination rate, increase seed setting rate, early maturity and enhance crop resilience, so as to achieve the effect of increasing yield. Qingdao Phosphate Fertilizer Plant trial in 1974 made a yield element. In the past three years, it has successively applied tests in more than 30 counties, including Linyi, Changwei, Yantai and Laoshan Counties, and more than 500,000 mu of fields, proving that proper application of