Site details | Fertiliser application rate (kg N ha-1) | Nitrate-N response | Time after application for maximum effect (weeks) | Lysimeter depth (m) | Reference | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Location | Soil Group | Stand age at fertilisation (years) |  | Mean nitrateconcentration prior to fertiliser application (mg L-1)1 | Mean nitrate concentration after fertiliser application (mg L-1) | Increase in mean nitrateconcentration due to fertiliser(mg L-1) | Maximum nitrateconcentration after fertiliser application (mg L-1)1 | Fertiliser N lost to stream or drainage water (kg ha-1)1 |  |  |  |
Stream water | |||||||||||
Kinleith Central NI | Pumice | Immature | 230 | < dl2 | - | Â | 1.2 | < 1 (0.33%) | 6 | Â | Leonard (1977) |
Motueka Nelson | Brown | Not known | 92 | 0.32-0.56 | - | Â | 0.72 | (<0.1%) | 2 | Â | Neary and Leonard (1978) |
Motueka Nelson | Brown | Not known | 92 | 0.19-0.26 | - | Â | 0.79 | (<0.1%) | 7 | Â | Neary and Leonard (1978) |
Lower root zone soil drainage water | |||||||||||
Kaingaroa Central NI | Pumice | 13 | 200 | < dl | < dl | 0 | < dl | 0 (0%) | - | 2.7 | Worsnop and Will (1980) |
Bottle Lake Canterbury | Recent Coastal sand | 2 | 150 | 0-2.5 | - | - | 24 | 54 (36%) | - | Â | Thomas and Mead (1992) |
Woodhill Auckland | Recent Coastal sand | 03 | 4507 | 1.48 | 8 8 | 6.6 | 188 | 269 (6%) | 38 | 0.6 | Smith et al. (1994) |
Woodhill Auckland | Recent Coastal sand | 04 | 4507 | 2.98 | 128 | 9.1 | 258 | 369 (8%) | 98 | 0.6 | Smith et al. (1994) |
Woodhill Auckland | Recent Coastal sand | 05 | 4507 | 1.18 | 88 | 6.9 | 248 | 289 (6%) | 30 | 0.6 | Smith et al. (1994) |
Woodhill Auckland | Recent Coastal sand | 06 | 4507 | 0.88 | 128 | 11.2 | 468 | 459 (10%) | 120 | 0.6 | Smith et al. (1994) |
TikitereBay of Plenty | Pumice | 9 | 200 | 3.14 | 3.34 | 0.2 | 6.15 | 11.5 (5.7%) | 56 | 1.0 | Davis et al. (2012) |
Mamaku Bay of Plenty | Podzol | 7 | 200 | 0.08 | 2.79 | 2.71 | 3.83 | 28.4 (14.2%) | 48 | 1.0 | Davis et al. (2012) |
Tarawera Bay of Plenty | Recent | 9 | 200 | 0.06 | 0.25 | 0.19 | 0.53 | 1.7 (0.8%) | - | 1.0 | Davis et al. (2012) |
Waimarino Wanganui | Allophanic | 8 | 200 | 0.03 | 1.44 | 1.41 | 2.54 | 12.1 (6.0%) | 37 | 0.9 | Davis et al. (2012) |
Karioi Wanganui | Allophanic | 8 | 200 | 0.04 | 0.03 | -0.01 | 0.05 | 0 (0%) | - | 1.0 | Davis et al. (2012) |
Bulls Manawatu | Brown Coastal sand | 8 | 200 | 2.00 | 37.31 | 35.31 | 81.0 | 90.8 (45.4%) | 29 | 1.0 | Davis et al. (2012) |
Ashley Canterbury | Pallic | 9 | 200 | 0.32 | 11.20 | 10.88 | 39.3 | 15.2 (7.6%) | 10 | 0.8 | Davis et al. (2012) |
Eyrewell Canterbury | Brown | 7 | 200 | 3.19 | 2.70 | -0.49 | 2.70 | 0.2 (0.1%) | 17 | 0.6 | Davis et al. (2012) |
Otago Coast | Brown | 8 | 200 | 0.05 | 0.14 | 0.09 | 0.43 | 0.2 (0.2%) | - | 1.0 | Davis et al. (2012) |
Catlins Otago | Brown | 8 | 200 | 0.18 | 3.73 | 3.55 | 6.47 | 10.3 (5.1%) | 21 | 1.0 | Davis et al. (2012) |