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
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强小嫚,张凯,米兆荣,刘战东,王万宁,孙景生
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Effects of Subsoiling and Irrigation Frequency on Water Saving and Yield Increasing of Winter Wheat and Summer Maize in the Huang-Huai-Hai Plain
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QIANG XiaoMan,ZHANG Kai,MI ZhaoRong,LIU ZhanDong,WANG WanNing,SUN JingSheng
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表1 不同耕作方式和水分处理对土壤容重的影响
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Table 1 Soil bulk density (g·cm-3) for different subsoiling and irrigation schemes
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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 | 1.35b | 1.38b | 1.39b | 1.42b | 1.47a | | QS-3 | 1.38ab | 1.42a | 1.48a | 1.48a | 1.52a | | XS-2 | 1.36b | 1.37b | 1.38b | 1.39b | 1.48a | | XS-3 | 1.35b | 1.38b | 1.39b | 1.45ab | 1.53a | | CK | 1.42a | 1.45a | 1.48a | 1.50a | 1.53a | | 2017 | QS-2 | 1.39b | 1.40b | 1.43a | 1.48a | 1.49a | | QS-3 | 1.43a | 1.45a | 1.49a | 1.50a | 1.51a | | XS-2 | 1.39b | 1.41b | 1.46a | 1.47a | 1.47a | | XS-3 | 1.40b | 1.41b | 1.48a | 1.51a | 1.54a | | CK | 1.45a | 1.46a | 1.49a | 1.52a | 1.55a |
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