Table 1 Sowing dates and fertilizer application rate of each treatment
From: Legume-based mixed intercropping systems may lower agricultural born N2O emissions
Abbreviation | Crop | Fertilizer (kg CAN–N ha−1) | Stand | Date of sowing spring and winter crops |
|---|---|---|---|---|
WT | Spring wheat/winter wheat | None | Mono | 25 March 2014/28 October 2014 |
NWT | Spring wheat + N/winter wheat + N | 80 | Mono | 25 March 2014/28 October 2014 |
WFB | Mixed intercropping (wheat and faba bean)a | None | Mixed intercrop | 25 March 2014/28 October 2014 |
FB | Field beansa | None | Mono | 25 March 2014/28 October 2014 |
PL | Poplar | None | Mono | 30 April 2014 |
NPL | Poplar | 80 | Mono | 30 April 2014 |
PRB | Mixed planting | None | Mixed planting | 30 April 2014 |
Poplar/Robinia | ||||
RB | Robinia | None | Mono | 30 April 2014 |