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中棉１２号贪青晚熟直接影响棉花的产量和质量，受到大家密切关注。大量田间调查分析结果表明，中棉１２号贪青晚熟主要分为晚播型、水肥运筹不当型和化控失调型等三大类型。本文作者在分析造成贪青晚熟原因的基础上，提出在栽培技术措施上应抓一个早字，应适时早播抓早苗；早苗早管促早发；头水晚灌，且量小，停水早；化调早、轻、勤；早打顶，早整枝；保护天敌，综合植保，可有效防止中棉１２号贪青晚熟。
Cotton 12 late blooming directly affects the yield and quality of cotton, by everyone’s attention. The results of a large number of field surveys showed that overgrazing late maturity of Zhongmian 12 is mainly divided into three types: late sowing type, improper water and fertilizer operation and chemical control imbalance type. Based on the analysis of the causes of late-blooming and late-blooming, the author proposed that early warning should be given to cultivation techniques and measures. Early; shift early, light, ground; early morning topping, early pruning; protection of natural enemies, integrated plant protection, can effectively prevent the mid-late Qingmian 12 cotton.