黄淮海平原地区深松和灌水次数对冬小麦- 夏玉米节水增产的影响

强小嫚,张凯,米兆荣,刘战东,王万宁,孙景生

Effects of Subsoiling and Irrigation Frequency on Water Saving and Yield Increasing of Winter Wheat and Summer Maize in the Huang-Huai-Hai Plain

QIANG XiaoMan,ZHANG Kai,MI ZhaoRong,LIU ZhanDong,WANG WanNing,SUN JingSheng

表2 耕作方式和灌溉模式对土壤紧实度的影响

Table 2 Soil compaction (kPa) for different subsoiling and irrigation schemes

年份 Year 处理 Treatments 土层 Soil layer 0-10 cm 10-20 cm 20-30 cm 30-40 cm 40-50 cm 2016 QS-2 395b 736b 1007b 1151b 1558a QS-3 320b 712b 1142b 1249b 1499a XS-2 286b 556b 925b 1207b 1425a XS-3 256b 655b 1012b 1195b 1529a CK 680a 1137a 1521a 1651a 1789a 2017 QS-2 625a 1236a 1386a 1593a 1669a QS-3 620a 1112a 1258a 1469a 1578a XS-2 559a 1189a 1406a 1520a 1702a XS-3 656a 1055a 1456a 1402a 1689a CK 696a 1337a 1620a 1689a 1896a