单作小麦 Sole wheat | NTSW | 25—30 cm高茬收割秸秆覆盖免耕 No-tillage with 25 to 30 cm straw mulching |
NTSSW | 25—30 cm高茬收割立茬免耕 No-tillage with 25 to 30 cm straw standing |
CTSW | 25—30 cm高茬收割秸秆翻耕 Conventional with 25 to 30 cm straw incorporation |
CTW | 传统翻耕无秸秆还田 Conventional tillage without straw retention |
单作玉米 Sole maize | NTM2 | 免耕地膜2年覆盖 No-tillage with two-year plastic mulching |
CTM | 传统翻耕每年覆新膜 Conventional tillage with annual new plastic mulching |
小麦间作玉米 Wheat-maize intercropping | NTSI2 | 小麦带25—30 cm高茬收割秸秆覆盖免耕 No-tillage with 25 to 30 cm straw mulching in wheat strip |
| 玉米带免耕地膜2年覆盖 No-tillage with two-year plastic mulching in maize strip |
NTSSI2 | 小麦带25—30 cm高茬收割立茬免耕 No-tillage with 25 to 30 cm straw standing in wheat strip |
| 玉米带免耕地膜2年覆盖 No-tillage with two-year plastic mulching in maize strip |
CTSI | 小麦带25—30 cm高茬收割秸秆翻耕 Conventional with 25 to 30 cm straw incorporation in wheat strip |
| 玉米带传统翻耕每年覆新膜 Conventional tillage with annual new plastic mulching in maize strip |
CTI | 小麦带传统翻耕无秸秆还田 Conventional tillage without straw retention in wheat strip |
| | 玉米带传统翻耕每年覆新膜 Conventional tillage with annual new plastic mulching in maize strip |