【摘要】 [目的]研究夏播玉米叶片数、积温及其对生育期的影响。[方法]研究丹玉6号晚熟玉米,不同播种方法、不同播期的叶片总数、叶片伸展期所需天数积温、生育期和适宜追肥期。[结果]麦套玉米,栽培因素使玉米达不到应有的叶片总数,说明环境条件不利于玉米生长发育,影响其产量。[结论]改革现有的播种方法,改麦田套种玉米为麦收后直播。更多还原

【Abstract】 [Objective] The research aimed to study the influence of summer seeding corn number of leaves,accumulated temperature to period.[Method]The leaves total number,leaf extension period required days accumulated temperature,growth period and appropriate top application period with different sowing method and different sowing stage of Dan jade 6 late corn were researched.[Result]Wheat set of corn,the cultivation factors can not reach the total due leaves of corn,showed the environmental condition against corn growth,affect the yield.[Conclusion]Reform the current sowing method,change catcher intercropping maize to direct seeding after the wheat harvest.更多还原