华北农学报2016，Vol.31Issue(6)：137-143,7.DOI:10.7668/hbnxb.2016.06.022
两种冬小麦行距配置对机播夏玉米出苗质量及产量的影响
Effects of Two Row Spacing Patterns in Winter Wheat on Sowing Quality and Yield of Summer Maize
摘要
Abstract
In order to improve the sowing and seedling quality of summer maize within the rotation system of winter wheat-summer maize in North China Plain,and then to increase the annual productivity,two row spacing (RS) patterns,including " Three narrow RS's with one wide" (14 + 14 + 14 + 20 cm) and "Four narrow RS's with one wide" (10 + 10 + 10 + 10 +22 cm),were set in winter wheat,and the subsequent summer maize was planted in the wide RS,then the population quality,biomass and yield of the two crops were studied.The results showed that there were no significant differences in population quality and yield in winter wheat for the two treatments of RS patterns compared to the traditional equal RS with 15.6 cm.The emergence rate of summer maize planted in wide RS was extremely improved,the plant height,leaf area,fresh weight,and dry weight of the 6th-leaf expanded maize seedling showed a significant differences compared with that planted in the traditional equal RS,and the uniformity of population was improved obviously.The ear grain number of summer maize for the two RS patterns increased by 6.4％ and 6.7％,and the yield increased by 10.2％ and 13.0％ compared to the control,respectively.As a result,the annual production was lead to increase by 5.76％ and 5.29％,respectively.The results indicated that changing RS could lead to an increase in yield of summer maize by improving its seedling quality,while no decrease in yield of winter wheat,so that lead to a raise in the total yield around a year.关键词
冬小麦-夏玉米轮作/行距一体化配置/机械播种/出苗质量/产量Key words
Winter wheat-summer maize rotation Row spacing manipulation/Mechanical sowing/Seedling quality/Yield分类
农业科技引用本文复制引用
温晓莹,张英华,周丽丽,周顺利,鲁来清,王润政,彭洪博..两种冬小麦行距配置对机播夏玉米出苗质量及产量的影响[J].华北农学报,2016,31(6):137-143,7.基金项目
国家公益性行业科研专项(201203031 （）
201303133) （）
玉米产业技术体系(CARS-02-26) （CARS-02-26）
中央高校基本科研业务费(2014JD064) （2014JD064）
