Owing to the far-reaching effects of erosion and flooding, the value to New Zealand of soil conservation and river control cannot be overemphasised. Equally important is the availability of technical information and service to farmers prepared to take action. Press publicity is therefore coupled with the publication of bulletins (16 to date) for general use, together with the production and screening of cine-films (10 have been produced to date for theatre circuits and 20 for use in schools and at farmers' meetings).