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关于油菜倒伏问题的研究,我所自1978—1982年先后进行了大田和盆栽试验,结果表明,不同栽培条件与倒伏的关系十分密切。其中尤以早播和早播蹲苗抗倒效应最佳。为进一步验证该措施的有效性,于1982—1983年继续进行盆栽试验。试验采用塑料搭棚,人工控制水分,品种为中熟甘油5号,共分5个播期,2次重复,肥力水平一致。兹将结果分析如下。
On rape lodging research, we have from 1978 to 1982 in field and pot experiments, the results show that different cultivation conditions and the relationship between lodging is very close. Especially in early sowing and early sowing seedlings anti-lodging effect best. To further verify the effectiveness of this measure, pot experiments were continued in 1982-1983. Experiment using plastic scaffolding, artificial control of water, varieties of medium-sized glycerin 5, is divided into 5 sowing dates, 2 replicates, the same level of fertility. The results will be analyzed as follows.