0前言上海农场地处苏北平原中部,全年以水稻、大小麦种植为主。由于气候及品种特性,上海农场水稻收割时(特别是前期收割)秸秆较青,水分较大,籽口紧对全喂入式收割机解决损失及破碎问题上提出较大考验。上海农场使用的约翰迪尔3518CTS型联合收割机(约翰迪尔C230),采用板齿式纵向 0 Foreword Shanghai Farm is located in the central part of the Northern Jiangsu Plain, throughout the year to rice, wheat planting mainly. Due to the climatic and variety characteristics, straw on Shanghai farm was harder and harder at the time of harvesting (especially the early harvesting), and the seedling mouth put a bigger test on the issue of full feed harvester to solve the problem of loss and fragmentation. The John Deere 3518CTS Combine Harvester (John Deere C230) used at Shanghai Farms employs a slatted portrait