Conservation of Agricultural Resources Act: Regulations: Declared Weeds and Invader Plants (G.N.R. No. 1048 of 1984).

These Regulations, made by the Deputy Minister of Agriculture under section 29 of the Conservation of Agricultural Resources Act, provide for measures to protect soil from erosion and in general conservation of the soil and combating of weeds and plant invaders. In particular attention is given to cultivation of land (especially on slopes), protection of cultivated land against erosion through the action of water or wind, and prevention of waterlogging and salination of irrigated land. The measures concern, among other things: utilisation and protection of vleis, marshes, water sponges and water courses, regulating of the flow pattern of run-off water, utilisation and protection of veld, grazing on veld, prevention and control of veld fires, restoration and reclamation of eroded or denuded land, combating of declared weeds and invader plants, and designation of biological control reserves (areas used for the breeding of biological control agents by a biological control expert).