【摘要】 通过卫星遥感图像和地面样点的综合分析 ,对北京市 1998～ 2 0 0 1年的玉米种植情况、长势和收获产量进行了动态变化监测 ,为农业管理部门迅速了解玉米农情 ,进行科学管理提供了客观、准确的信息更多还原

【Abstract】 In recent years, the corn planting area in suburb of Beijing has reducing rapidly due to the fast adjustment of the planting structure. Based on satellite remotely sensed images and field investigation, this study performed a dynamic change monitoring of the corn planting area and its growth information from 1998 to 2000. Yield estimation has also been done. This has provided impersonal and accurate information for the management purposes of local agricultural agency.更多还原