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The Constituents of the Soil

Book: Report for 1927-28
Collection: Rothamsted Reports
Year of Publication : 1928
Book DOI: https://doi.org/10.23637/ERADOC-1-85
Reference:
Rothamsted Research (1928) The Constituents of the Soil in : Report for 1927-28 - pp 44 - 45
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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Report for 1927-28

Title	Pages
Rothamsted Experimental Station Report for 1927-28 With the Supplement to the Guide to the Experimental Plots	1
Rothamsted Laboratories, Erected 1914-16	2
Contents	4
Rothamsted Experimental Station and Woburn Experimental Farm Staff List	6
Publications of Rothamsted Experimental Station	13
Introduction - General Account of Rothamsted	17
Rothamsted Report for the Years 1927, 1928	20
Crop Experiments	21
Potatoes	21
Sugar Beet	24
Barley	26
The New Nitrogenous Manures	27
Effect of Fertilisers on Composition and Quality of the Grain	29
Winter-sown Oats and Wheat	30
Grassland	32
Fallow	34
Lucerne	35
The Accuracy of the Field Experiments	36
List of Standard Errors in the Replicated Experiments 1925-28	37
Detailed Laboratory and Pot Culture Investigations on Fertilisers	40
Plant Growth and Quantity of Fertiliser	40
Soil Cultivation	42
The Constituents of the Soil	44
Soil Microbiology	45
Disease Organisms and Pests	49
Entomology	51
Insecticides	52
Bee Research	54
Summaries of Papers Published, 1927, 1928 - I. Scientific Papers :	55
Crops, Plant Growth and Fertiliser Investigations	55
Statistical Methods and Results	58
The Soil	65
The Soil Population and Its Behaviour	72
The Plant in Disease; Control of Disease	79
Summaries of Papers Published, 1927, 1928 - II. Technical Papers :	89
Meteorological Observations	95
The Farm and Crop Results , Rothamsted, 1927, 1928	97
Woburn Experimental Farm, 1927, 1928	102
Rothamsted Experimental Plots, 1927, 1928	118
The Use of the Summary Tables	118
The Classical Experiments	119
Replicated Experiments	131
Experiments at Rothamsted	131
Experiments at Woburn	154
Experiments at Outside Centres	165
Lawes Agricultural Trust, Trustees and Committee; Society for Extending the Rothamsted Experiments	176

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The Constituents of the Soil

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Report for 1927-28