川北夏玉米生產(chǎn)限制因素與技術(shù)需求探討

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摘 要：隨著川北夏玉米種植面積不斷擴(kuò)增，對(duì)優(yōu)良夏玉米品種和配套種植技術(shù)等科技創(chuàng)新的需求日益迫切。本文通過(guò)對(duì)川北夏玉米生產(chǎn)現(xiàn)狀進(jìn)行梳理，分析了生產(chǎn)發(fā)展的限制因素，提出了解決生產(chǎn)限制因素的對(duì)策與技術(shù)需求。為川北夏玉米產(chǎn)業(yè)的健康和可持續(xù)發(fā)展提供參考。

關(guān)鍵詞：川北;夏玉米;限制因素;技術(shù)需求

中圖分類號(hào)：S513                                       文獻(xiàn)標(biāo)志碼：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種的玉米[1]，即小麥、油菜等小春作物收獲后，接茬在5-6月播種的玉米。（剩余5132字）