耕作与栽培2025，Vol.45Issue(5)：14-18,5.
不同密植栽培模式对夏玉米产量的影响
Effects of Different Density Planting Patterns on Yield of Summer Maize
摘要
Abstract
To determine the optimal high-density cultivation pattern for summer maize in western He'nan,a field experiment was conducted using the hybrid Hanyu1604.Three planting densities(67 500 plants/hm2,82 500 plants/hm2,and 97 500 plants/hm2)and three cultivation patterns(uniform row spacing,wide-narrow row spacing,and twin-row staggered strip planting)were evaluated for their effects on yield and yield components.The results showed that yield significantly increased with planting density,while grains per ear and 1000-kernel weight decreased by 10.2%and 1.9%on average,respectively,and ear tip baldness increased.Compared with uniform row spacing,wide-narrow row spacing and twin-row staggered strip plant-ing increased yield by 6.5%and 11.3%,respectively,through enhanced single-plant leaf area and leaf area index(LAI).Seedling uniformity improved by 4.8%and 10.2%under wide-narrow rows and staggered strip planting,with more pro-nounced effects at high densities.For summer maize in western He'nan,twin-row staggered strip planting≥82 500 plants/hm2 was recommended as the optimal high-density cultivation mode to maximize yield.关键词
夏玉米/栽培模式/条带错株种植/产量Key words
summer maize/planting pattern/strip staggered planting/yield分类
农业科技引用本文复制引用
孟战赢,王育红,郭党,田文仲,李俊红,吕军杰,李芳..不同密植栽培模式对夏玉米产量的影响[J].耕作与栽培,2025,45(5):14-18,5.基金项目
国家现代农业产业技术体系项目(编号:CARS-02-69) （编号:CARS-02-69）
