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E-grāmata: Polytunnels, Greenhouses and Protective Cropping

  • Formāts: EPUB+DRM
  • Izdošanas datums: 31-Aug-2016
  • Izdevniecība: The Crowood Press Ltd
  • Valoda: eng
  • ISBN-13: 9781785001864
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  • Formāts: EPUB+DRM
  • Izdošanas datums: 31-Aug-2016
  • Izdevniecība: The Crowood Press Ltd
  • Valoda: eng
  • ISBN-13: 9781785001864
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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.

Papildus informācija

Features and reviews in The Garden - RHS, Horticulture Week, Permaculture and Home Farmer magazines. Reviews in The Commercial Greenhouse Grower, Grow Your Own and Grower magazines
Preface 8(2)
Acknowledgements 10(1)
1 Greenhouse Design Principles
11(5)
Identifying Loads Placed on Structures
11(1)
General Overview
12(2)
Height of Structure
14(1)
Light Interception
14(1)
Reference Link
15(1)
2 Commercial Glasshouses
16(8)
A-Frame Glasshouses
16(1)
The Venlo Greenhouse
16(3)
The Cabrio Greenhouse
19(1)
Widespan Greenhouse
19(2)
Newer Structures
21(2)
Reference Links
23(1)
3 Cladding Materials: Overview
24(10)
Manufacturer Claims!
25(1)
Horticultural Glass Options
25(4)
Alternatives to Cladding with Glass
29(4)
Reference Links
33(1)
4 The Development and Use of Polythene-Clad Tunnel Structures
34(12)
Giant Cloches
34(1)
Spanish Tunnels
34(2)
Single-Span Polytunnels
36(1)
Multispan Polytunnels
36(4)
Keder Greenhouses using Polydress
40(1)
Retractable Roof Structures
41(1)
Airstream Greenhouse
42(1)
Current Examples of Polythene Films
42(2)
Summary
44(1)
Reference Links
45(1)
5 Greenhouse Energy Sources
46(9)
Alternative Fuel Energy Sources
46(7)
Reducing Heat Losses
53(1)
Reference Links
54(1)
6 The Greenhouse Environment
55(48)
Artificial Greenhouse Lighting
55(10)
CO2 Enrichment
65(3)
Heat Requirements and Distribution
68(11)
Greenhouse Ventilation
79(5)
Greenhouse Cooling
84(2)
Humidity Control and Air Mixing
86(3)
Screen Technology and Materials
89(7)
Monitoring Equipment for the Greenhouse Aerial Environment
96(5)
Reference Links
101(2)
7 Growing Rooms
103(7)
Ultimate Control of the Growing Environment
104(2)
Germination in Growing Cabinets
106(2)
The Future of Growing Rooms
108(1)
Reference Link
109(1)
8 Irrigation
110(25)
Water Sources
110(3)
Filtration and Water Treatment
113(9)
Water Storage and Distribution
122(10)
How Much Water Do Plants Need
132(2)
Reference Links
134(1)
9 Composts and other Growing Media
135(10)
Setting the Criteria for Grown Media Mixes
135(1)
Growing Media
136(4)
Alternative Growing Media
140(3)
Grower Mixes
143(1)
Reference Links
144(1)
10 Hydroponics
145(15)
Typical Hydroponic Cleaning Operations
148(1)
Delta-T Electronic Devices
148(2)
Computer Programs and Devices for Automatic Control of Watering
150(3)
Hydroponic Systems for Leafy Vegetables and Other Crops
153(2)
Future Developments
155(2)
Aquaponics
157(2)
Reference Links
159(1)
11 Fertilizers for Greenhouse Crops
160(16)
Plant Nutrients
160(1)
Fertilizer Labelling
161(3)
Liquid Feeding
164(8)
Controlled Release Fertilizers
172(2)
Organic Fertilizers
174(1)
Reference Links
175(1)
12 Pest and Disease Control
176(33)
Integrated Pest Management (IPM)
176(2)
Biological Pest Control
178(7)
Preventative Measures to Reduce Pest and Disease Pressures
185(3)
The Use of Pesticides on Horticultural Crops
188(7)
Biopesticides
195(5)
Soil Management and the Control of Pests and Diseases
200(8)
Reference Links
208(1)
13 Nursery Hygiene
209(8)
Prevention
209(2)
Conditions that Lead to Increased Pest and Disease Levels within Crops
211(1)
Products that can Assist with Providing Sanitary Conditions
212(1)
Biofilm Formation and its Management
213(4)
Further Reading List 217(3)
Index 220
Thady Barrett started his career at the former ADAS Experimental Horticulture Stations at Luddington and Lee Valley in the UK while studying horticulture at Writtle College in Essex. Subsequently, he gained the Royal Horticultural Society's NDH in Commercial Horticulture [ now known as the MHort (RHA)] and an MHort degree. For many years Thady has been a member of the International Plant Producer's Society and has served as one of the Society's area secretaries. An expert in growing salad crops, ornamental plants and cut flowers, including chrysanthemums, for twenty years he was a senior lecturer in commercial horticulture at Writtle College. He is now a horticultural consultant and provides practical and technical advice to small and medium-sized ornamental plant nurseries.