Table 2.
Trial sites with characteristics and management details
| Site | Location | Soil typea | Rotation | Rainfallb | Soil characteristicsc | |||
|---|---|---|---|---|---|---|---|---|
| Depth (cm) | Bulk density (g/cc) | Wheat PAWC (mm) | ||||||
| Bethungra, NSW | 34°43′S, 147°48′E | Red Kandosol | Canola | Average annual | 609 | 0–15 | 1.532 | 25.4 |
| 15–30 | 1.614 | 25.1 | ||||||
| 30–60 | 1.633 | 47.4 | ||||||
| 60–90 | 1.769 | 27.6 | ||||||
| 2011 (in-season) |
770 | 90–120 | 1.645 | 44.7 | ||||
| 120–150 | 1.669 | 24.9 | ||||||
| 150–180 | 1.655 | 6.9 | ||||||
| Total PAWC mm | 202 | |||||||
| Leeton, NSW | 34° 36′S, 146° 22′E | Grey Vertosol | Pasture/ Grazing |
Average annual | 401 | 0–15 | 1.473 | 24.6 |
| 15–30 | 1.438 | 19.2 | ||||||
| 2009 (in-season) | 289 | 30–60 | 1.431 | 40.8 | ||||
| 60–90 | 1.499 | 32.7 | ||||||
| 2010 (in-season) | 548 | 90–120 | 1.577 | 29.1 | ||||
| 120–150 | 1.59 | 26.7 | ||||||
| 2011 (in-season) | 591 | 150–180 | 1.489 | 17.7 | ||||
| Total PAWC mm | 190.8 | |||||||
| Kingsthorpe, QLD | 27°30′S, 151°46′E | Black Vertosol | … | Average Annual | 632 | 0–15 | 0.9 | 33 |
| 15–30 | 1.01 | 28.5 | ||||||
| 30–60 | 1.02 | 54 | ||||||
| 60–90 | 1 | 54 | ||||||
| 90–120 | 1.06 | 36 | ||||||
| 120–150 | 1.14 | 39 | ||||||
| 150–180 | 1.23 | 0 | ||||||
| Total PAWC mm | 244.5 | |||||||
a Isbell (2002).
b Based on Australian Bureau of Meteorology weather station records (www.bom.gov.au).
c Based on nearest APsoil sampling location to site: Bethungra, No. 180, Leeton No. 174, Kingsthorpe No. 30, Gatton No. 37 (http://www.apsim.info/Products/APSoil.aspx).