川北夏玉米生产限制因素与技术需求探讨

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摘 要：随着川北夏玉米种植面积不断扩增，对优良夏玉米品种和配套种植技术等科技创新的需求日益迫切。本文通过对川北夏玉米生产现状进行梳理，分析了生产发展的限制因素，提出了解决生产限制因素的对策与技术需求。为川北夏玉米产业的健康和可持续发展提供参考。

关键词：川北;夏玉米;限制因素;技术需求

中图分类号：S513                                       文献标志码：A

Discussion on Limiting Factors and Technical Requirements of Summer Maize Production in Northern Sichuan

LU Tingqi1，2，ZHANG Hua1，2，SHUI Hongxia1，2，QING Chunyan1，PANG Qihua1，WANG Xiuquan1，2，HE Dan1，2

（1 Mianyang Academy of Agricultural Sciences，Mianyang，Sichuan 621023，China;2Mianyang Comprehensive Experimental Station of the National Corn Industrial Technology System，Mianyang，Sichuan 621023，China ）

Abstract： With the continuous expansion of summer maize planting area in northern Sichuan，the demand for the scientific and technological innovation of excellent summer maize varieties and its supporting planting techniques is becoming increasingly urgent. This article presents the production status of summer maize in northern Sichuan，analyzes the limiting factors of production development，and puts forward countermeasures and technical requirements to solve the limiting factors in production，providing reference for the healthy and sustainable development of summer maize industry in northern Sichuan.

Key words： Northern Sichuan;summer maize;limiting factor;technical requirement

夏玉米一般指夏季播种的玉米[1]，即小麦、油菜等小春作物收获后，接茬在5-6月播种的玉米。（剩余5132字）