Chapter 36 - Rural Zones One and Two • Other exotic trees occupying less than 100 metres length per kilometre of legal riparian boundary; • Plant pests (including those listed in regional or national pest management strategies); • Vegetation within 10 metres either side of the centreline of a public road or which is otherwise impairing the safe and efficient use of that road. 36.1.7.9.3.3 Vegetation outside the riparian management zones as specified in Appendix I and the Ecology maps in Volume Three shall not be cleared by chemical means unless provided for as a Permitted Activity in Rule 36.1.5.4.1 36.1.7.9.3.4 All reasonable care shall be exercised in the application of agrichemicals so as to ensure that spray drift does not pass beyond the legal boundary of the area of land on which the agrichemical is discharged. Reasonable care shall be deemed to have been exercised when the agrichemical has been mixed and applied in accordance with Part 5 of the Agrichemical Users’ Code of Practice (NZS 8409:1995: New Zealand Agrichemical Education Trust). 36.1.7.9.3.5 The following qualifications shall be held at all times after 1 January 2000 - a) Every contractor undertaking the land-based application of agrichemicals shall be a registered chemical applicator, or hold an equivalent qualification; and b) Every pilot undertaking the aerial application of agrichemicals shall hold a current GROWSAFE Agrichemical Rating, or an equivalent qualification. 36.1.7.9.3.6 The property owner or manager shall keep records of agrichemical use in accordance with Section 5.9 - Agrichemical Users’ Code of Practice (NZS 8409:1995: New Zealand Agrichemical Education Trust), and shall make such records available to the Council on request. 36.1.7.10 Application of Fertiliser The discharge of fertiliser or other contaminants applied to soil for the purpose of modifying the physical or chemical characteristics of the soil, other than agricultural effluent, is a Permitted Activity, provided the following conditions are met: a) All reasonable steps shall be taken to avoid contaminants entering water, directly or indirectly, as a result of the discharge; b) All reasonable steps shall be taken to avoid adverse effects occurring beyond the boundary of the property as a result of the activity; and c) The total nitrogen loading from the application of fertiliser shall not exceed 200kg N/ ha/ yr. 36.1.7.11 General Rules Relating to Odour 36.1.7.11.1 Conditions a) Any person undertaking an activity resulting in the discharge of odorous or potentially odorous contaminants into air, shall adopt the best practicable option to avoid, remedy or mitigate any adverse effects resulting from that discharge of odour; and 36 - 17