播期和密度对登海605玉米产量及相关农艺性状的影响

Effects of Sowing Date and Density on Yield and Related Agronomic Characters of Denghai 605

摘要: 以上蔡县主栽玉米品种登海605为研究对象，于2021年在当地设置了播期与密度2个方面的试验，比较了不同播期和密度处理下登海605的种植表现。结果表明：登海605在上蔡县的播期适合安排在6月1日—10日、播种密度适合控制在6.75×10～4株/hm²。

Abstract: Denghai 605 is taken as the research object, in 2021, tests on sowing date and density are set up to compare the planting performance of Denghai 605 under different sowing dates and densities. The results show that the sowing date of Denghai 605 in Shangcai County is suitable for June 1-10, and the sowing density is suitable for 6.75×10~4zhu/hm~2.