据日本《农业及园艺》杂志一九六三年十月号和一九六四年八月号报导,作者中山包在三种栽培条件,即普通栽培条件、冷水灌溉(温度不适合条件)和遮光栽培(日照不足条件)下,分别进行喷射赤霉素试验。水稻是育苗移栽,单本插。移栽后7—8天喷射一次,以后每隔一周喷一次,共4次,使用浓度为0(对照)、10、20、50、100、150单位。收割后考查了水稻的株高、穗数、一丛风干重、一丛粒重等。结果摘要如下。 According to Japan’s Agriculture and Horticulture Magazine, October 1963 and August 1964, the author reported that Zhongshan was under three cultivation conditions, namely ordinary cultivation conditions, cold-water irrigation (temperature unsuitable conditions) and Shading cultivation (lack of sunshine conditions), were gibberellin spray test. Rice is nursery transplanting, single insertion. Spray once 7-8 days after transplanting, then spray once every other week for 4 times at a concentration of 0 (control), 10, 20, 50, 100, 150 units. After harvest, the plant height, number of spikes, dry weight of a bundle, weight of a cluster of grains, etc. were examined. The summary of results is as follows.