]*>","")" /> Study on Machine Identification of Cotton Canopy Structure in High-yield Cotton of Xinjiang at the Condition of Different Nitrogen Fertilizer Application Amount

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Study on Machine Identification of Cotton Canopy Structure in High-yield Cotton of Xinjiang at the Condition of Different Nitrogen Fertilizer Application Amount

ZHANG Wei;L(U) Xin   

  • Received:2010-03-25 Revised:2010-03-25 Online:2010-03-25 Published:2010-03-25

机器识别对不同氮肥施用量条件下新疆高产棉花冠层结构的研究

张伟;吕新   

  1. 石河子大学农学院农学系耕作教研室,新疆石河子,8320032;新疆生产建设兵团绿洲生态农业重点实验室,新疆石河子,832003;新疆生产建设兵团绿洲生态农业重点实验室,新疆石河子,832003

摘要: [目的]测定北疆棉区推广棉花品种新陆早10号与新陆早12号在不同氮肥用量条件下冠层结构特征的差异.[方法]采用CI-110作物冠层机器识别映像仪,在田间将安装有鱼眼探测头的观测棒定点在行间中央,调好水平,并从计算机显示屏上观察无人影等其它外界影响时开始拍照.[结果]氮肥用量过高或过低都不利于形成理想群体冠层.两品种相比,新陆早10号较新陆早12号对较高氮肥用量反应敏感.[结论]在中等氮肥用量条件下选择新陆早10号、中高氮肥用量条件下选择新陆早12号栽培种植较为适宜.氮肥用量650~950 kg/hm2是较为理想的施氮水平.