1983年我所对青紫塥粘田连作早稻氮肥用量进行初步研究,并已取得了一定的结果。1985年为了继续摸索淡涂田、江粉泥田等氮肥最佳用量,为此,在市农学会主持下的低产田改良研究课题的三个百亩片进行早稻氮肥用量比较试验,现将试验结果初步总结如下。 In 1983, we conducted a preliminary study on the amount of nitrogen fertilizer applied to the asparagus sticky field and early rice, and achieved some results. In 1985 in order to continue to explore light Tutian, Jiang Nai muddy fields and other nitrogen fertilizer best use, therefore, in the city agriculture Association under the auspices of low yield field improvement research project three mu of nitrogen fertilizer for early rice comparison test, the test results Preliminary summary is as follows.