TY  - BOOK
AU  - Barrett, Thady,
TI  - Polytunnels, greenhouses and protective cropping: guide to growing techniques 
SN  - 9781785001864
U1  - 635.9823 
PY  - 2016///
CY  -  Marlborough, Wiltshire
PB  - The Crowood Press Ltd
KW  - Greenhouses
KW  - Greenhouse gardening.
KW  - Indoor gardening
KW  - Glasshouses
N2  - "This comprehensive book, written by an acknowledged 
       expert, is packed with useful information and is an 
       invaluable reference work that covers all aspects of 
       protected horticulture. It discusses the appropriate 
       siting for a greenhouse enterprise, and covers greenhouse 
       design principles and commercial glasshouses. It also 
       considers cladding materials, the development and use of 
       polythene-clad tunnel structures, and greenhouse energy 
       sources. The greenhouse environment, growing rooms, 
       irrigation, composts and other growing media are examined 
       as well as plant nutrients, fertilizers, pest and disease 
       control, nursery hygiene and much more."--Publisher 
       description.
ER  -