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Accuracy of Field Experiments

Book: Report for 1931
Collection: Rothamsted Reports
Year of Publication : 1932
Book DOI: https://doi.org/10.23637/ERADOC-1-65
Reference:
Rothamsted Research (1932) Accuracy of Field Experiments in : Report for 1931 - pp 59 - 61
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 1931

Title	Pages
Rothamsted Experimental Station Report for 1931	1
Rothamsted Laboratories , Erected 1914-1916	2
Contents	4
Rothamsted Experimental Station; Woburn Experimental Farm; and Imperial Bureau of Soil Staff List	6
Publications of Rothamsted Experimental Station	13
Introduction - General Account of Rothamsted	17
Rothamsted Report for the Year 1931	20
Field Experiments	20
Fertilisers on Grassland	20
Home Grown Food for Animals	27
Potatoes	28
Barley	30
Sugar Beet	31
Experiments at Outside Centres	33
Soil Fertility and Mechanisation	35
Elements Needed by Plants in Small Quantities	38
Methods for Agricultural Soil Survey	39
Bacterial Numbers and Soil Fertility	40
General Microbiology	40
Fungal Numbers	41
Virus Diseases	42
Bacterial Diseases	43
Fungus Diseases	44
Insect Pests	45
Insecticides	46
Bees	47
Survey of Fungus Diseases at Rothamsted and Woburn	49
Survey of Insect Pests at Rothamsted and Woburn	52
Field Plot Technique	57
Accuracy of Field Experiments	59
Rothamsted Farm Report	61
Meteorological Observations	66
Summaries of Papers Published in 1931 - I. Scientific Papers	68
Crops, Plant Growth, Plant Products and Action of Manures	68
Statistical Methods and Results	74
The Soil	77
Soil Organisms	80
The Plant in Disease : Control of Disease	84
Summaries of Papers Published in 1931 II. Technical and Other Papers	89
General	89
Crops, Soils and Fertilisers	90
Biological	91
Woburn Experimental Farm :	93
Woburn Experimental Farm Report for 1931	93
Woburn Farm: Report	100
Yields of Experimental Plots	107
Rothamsted Experimental Plots, 1931	108
The Use of the Summary Tables	108
The Classical Experiments	109
Errata for Rothamsted Report for 1930	127
Continuous Rotation Experiments	129
Other Experiments at Rothamsted	141
Other Experiments at Woburn	160
Experiments at Outside Centres	166
Lawes Agricultural Trust; Trustees and Committee; the Incorporated Society for Extending the Rothamsted Experiments	199

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Accuracy of Field Experiments

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Report for 1931