Plastics and hydroponics, the new approach
Plastics and Hydroponics, The New ApproachConference1977Longford.
British Agricultural and Horticultural Plastics Association.
London British Plastics Federation
1978
'The British Agricultural and Horticultural Plastics Association (BAHPA) held a conference in May 1977 entitled "Plastics and Hydroponics, the New Approach" [Venue: Centre Airport Hotel, Bath Road, Longford, Middlesex]' - Foreword
Plastics in hydroponics