Table 1 Information on agronomic practices of pea and maize in the sole and intercropping systems at the Wuwei Oasis Agricultural Experimental Station in northwestern China in 2009–2011.
Item | Strip width (cm) | Planting rows per strip | Planting density (plants ha−1) | Irrigation quota (mm) | ||||
|---|---|---|---|---|---|---|---|---|
Pea | Maize | Pea | Maize | Pea | Maize | Pea | Maize | |
Sole cropping (S) | – | – | – | – | 1,800,000 | 90,000 | 165 | 405 |
Intercropping 1 (Int-1) | 80 | 80 | 4 | 2 | 900,000 | 45,000 | 82.5 | 202.5 |
Intercropping 2 (Int-2) | 80 | 120 | 4 | 3 | 720,000 | 54,000 | 66 | 243 |