Skip to main content

Table 6 Estimation of treatment costs for the Pinus radiata and Pseudotsuga menziesii trials (excluding pre-plant spray with assumptions detailed below the table)

From: Herbicide options for managing competitive vegetation during the establishment of Pinus radiata and Pseudotsuga menziesii var. menziesii in Southland, New Zealand

   Trial
No Treatment Pinus radiata ($) Pseudotsuga menziesii ($)
1 No control 0 0
2 Weed-free control 1056 1056
3 Operational 528 518
4 Spot control 1 205 205
5 Spot control 2 469 421
6 CTH-Oct x2 559 559
7 CTH-Oct 279 279
8 CTH-Dec x2 559 559
9 CTH-Dec 279 279
10 Spot control 3* 300
11 Spot control 4* 564
12 Spot control 5* 569
10 Winter glyphosate 139
11 CTH-Oct + glyphosate 418
12 Spot control 3* 464
  1. Treatments where oversowing was applied are marked with an asterisk.
  2. Aerial application: $100 ha−1
  3. Spot application 0.18 c per tree (1000 stems per hectare)
  4. Glyphosate product: $6.50 L−1
  5. Terbuthylazine (400 g L−1) and hexazinone (100 g L−1) mix: $8.20 L−1
  6. Clopyralid product (300 g L−1): $30.00 L−1
  7. Triclopyr product (600 g L−1): $28.50 L−1
  8. Haloxyfop product (100 g L−1): $37.50 L−1
  9. Terbuthylazine product (500 g L−1): $5.60 L−1