Control Weeds Under Supervision

Based on NZQA 21556

This unit standard is for people handling agrichemicals in land based industries. People credited with this unit standard are able to, under supervision: control weeds by physical means; and with agrichemicals; using methods relevant to a specified land based industry.


 * Learning activities
 * Library of resources

This unit is usedin the following courses

 * Horticulture

Control weeds under supervision by physical means relevant to a specified land based industry
Range: may include but is not limited to – mechanical cultivation, hand weed, mow, top, grub, graze, heat, mulches, solarisation, stale seedbed; evidence is required for at least two
 * Weeds are controlled by physical means in accordance with on-site procedures.
 * Weeds are controlled by physical means with minimal damage to non-target plants, people, equipment, and the environment.

Control weeds under supervision with agrichemicals, using a method relevant to a specified land based industry
Range: evidence is required for at least one agrichemical application method which may include but is not limited to – spot, over the crop, banded, broadcast.
 * Agrichemicals are applied to control weeds using handling and application practices that are in accordance with NZS 8409:2004, and on-site procedures.
 * Weeds are controlled using agrichemicals with minimal damage to non-target plants, people, equipment, and the environment, and in accordance with NZS 8409:2004.

Definitions

 * agrichemical – any substance, whether inorganic or organic, man-made or naturally occurring, modified or in its original state, that is used in any agriculture, horticulture or related activity, to eradicate, modify or control flora and fauna. It includes agricultural compounds, fertilisers, vertebrate pest control products and oral nutrition products (this definition differs to that given in NZS 8409:2004, where agrichemicals exclude fertilisers, vertebrate pest control products and oral nutrition products);
 * weed – a plant that interferes with the management objectives of a land based industry at a particular location. It is a plant growing where it is not wanted, however under certain situations, the plant may not be totally undesirable;
 * on-site procedures – the verbal or written instructions to staff on the procedures for weed control by physical means, which must be carried out in accordance with current legislation.