Table 4 The calculated quantity of the herbicide (Valzine®) and its active ingredients (terbuthylazine and hexazinone) applied for a range of spot diameters for an idealised stand established at a stand density of 833 stems ha -1 and treated at an equivalent standard broadcast application rate of 17.5 L ha -1 Valzine®
From: A survey of herbicide use and a review of environmental fate in New Zealand planted forests
Spot diameter (m) | Valzine® applied in spot (L ha-1) | Terbuthylazine (kg ha-1) | Hexazinone (kg ha-1) | Percent of broadcast (%)# |
|---|---|---|---|---|
1.30 | 1.93 | 0.77 | 0.19 | 11 |
1.50 | 2.52 | 1.03 | 0.26 | 15 |
1.80 | 3.71 | 1.48 | 0.37 | 21 |
2.00 | 4.58 | 1.83 | 0.46 | 26 |