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我们于2002~2003年进行了为期两年的“常优一号”直 播栽培技术专题探索,取得预期效果和成功经验,摸清并掌 握其栽培特性和相应配套技术。 1 试验概况 1.1 供试地点 试验田2002年设在昆山市正仪镇通澄村, 2003年设在昆山市正仪镇群星村。供试土壤均为黄泥土,肥 力中等,有机质含量3.1％,pH7.2。 1.2 试种面积 2002年为1.233hm2;2003年为1.67hm2。 1.3 供试品种 “常优一号”(江苏省常熟市农科所育成,已
We conducted a two-year “Changyou No. 1” direct-seeded cultivation technology project from 2002 to 2003 to obtain the expected results and successful experiences, to find out and cultivate its cultivation characteristics and corresponding supporting technologies. 1 Test Overview 1.1 Test sites Experimental field was set up in 2002 in Chengyi Town, Kunshan City, Tong Cheng Village, located in Kunshan City, Zhengyi Town, Star Village. The soil tested was yellow soil with medium fertility, organic matter content 3.1%, pH7.2. 1.2 The test area was 1.233hm2 in 2002 and 1.67hm2 in 2003. 1.3 test varieties “often excellent one ” (Changshu City, Jiangsu Province, Agricultural Institute bred, has