New Zealand Journal of Forestry Science

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

Treatments where oversowing was applied are marked with an asterisk.
Aerial application: $100 ha⁻¹
Spot application 0.18 c per tree (1000 stems per hectare)
Glyphosate product: $6.50 L⁻¹
Terbuthylazine (400 g L⁻¹) and hexazinone (100 g L⁻¹) mix: $8.20 L⁻¹
Clopyralid product (300 g L⁻¹): $30.00 L⁻¹
Triclopyr product (600 g L⁻¹): $28.50 L⁻¹
Haloxyfop product (100 g L⁻¹): $37.50 L⁻¹
Terbuthylazine product (500 g L⁻¹): $5.60 L⁻¹

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