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e-RAdoc: Digited Documents from the Rothamsted Long-term Experiments
7. Insect Pests on Broadbalk
Book
:
Rothamsted Experimental Station Report for 1968 - Part 2
Collection:
Rothamsted Reports
Year of Publication
: 1969
Book DOI
:
https://doi.org/10.23637/ERADOC-1-2
Reference:
C. G. JOHNSON, J. R. LOFTY and D. J. CROSS
(1969)
7. Insect Pests on Broadbalk in :
Rothamsted Experimental Station Report for 1968 - Part 2
- pp 141 - 156
Copyright
: Lawes Agricultural Trust
Creator
: Rothamsted Experimental Station
Publisher
: Rothamsted Research
This work is licensed under a
Creative Commons Attribution 4.0 International License
.
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Rothamsted Experimental Station Report for 1968 - Part 2
Title
Pages
Rothamsted Experimental Station Report for 1968 Part 2
1
Photograph of Sir John Bennet Lawes 1814-1900 and Sir Joseph Henry Gilbert 1817-1901
2
The Broadbalk Wheat Experiment
3
Contents
5
1. Foreword
7
2. Historical Introduction
12
3. The Broadbalk Yields
26
Investigations into the Effects of Weather on Yields
46
4. The Plant Nutrients in Crops Grown on Broadbalk
50
5. The Soils of Broadbalk. Morphology and Classification of Broadbalk Soils
63
The Minerology of Broadbalk Soils
81
The Origin and Development of the Soils
89
Plant Nutrients in Broadbalk Soils
93
6. Fungus Diseases of Wheat on Broadbalk, 1843-1967
116
Photographs - 1. Broadbalk Wheat
1136
2. Aerial Photograph, 1954 - 3. Take-all Patch on Non-experimental Area of Broadbalk, 1943
1137
4. Eyespot Lodging 1943 - 5. Straggling in Thin Crop, 1938
1138
6. Broadbalk Harvesting in 1890 - 7. Broadbalk. Aerial Photograph, 1925
1139
Take-all on Broadbalk Wheat, 1958-1967
137
7. Insect Pests on Broadbalk
141
8. Nematode Population Studies on Broadbalk
157
9. Microbiology of Broadbalk Soils - Whole Section
175
Microbiology of Broadbalk Soils
175
Symbiotic Nitrogen Fixation: Legume Nodule Bacteria
179
Rhizosphere and Rhizoplane Fungi
181
The Vesicular-arbuscular Mycorrhizal Fungi
183
10. Weed Studies on Broadbalk
186
Table of Weather Records
209
Index
211
Map of Rothamsted Farm
217
eRAdoc is developed at Rothamsted Research