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Physical Conditions

Book: Report 1918-20 with the supplement to the Guide to the Experimental Plots containing the Yields per Acre etc.
Collection: Rothamsted Reports
Year of Publication : 1921
Book DOI: https://doi.org/10.23637/ERADOC-1-109
Reference:
Rothamsted Research (1921) Physical Conditions in : Report 1918-20 with the supplement to the Guide to the Experimental Plots containing the Yields per Acre etc. - pp 21 - 23
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 1918-20 with the supplement to the Guide to the Experimental Plots containing the Yields per Acre etc.

Title	Pages
Report 1918-20 With the Supplement to the Guide to the Experimental Plots Containing the Yields per Acre Etc.	-1
Rothamsted Experimental Station Report for 1918-20 With the Supplement to the Guide to the Experimental Plots	1
Rothamsted Laboratories, Erected 1914-16	2
Contents	3
Rothamsted Experimental Station Staff List	4
Publications of Rothamsted Experimental Station	6
Introduction - General Account of Rothamsted	7
Report for the Years 1918-20	8
Expenditure on Crops	9
Stubble Cleaning	11
Efficiency of Labour	12
Value of Tractor	13
Cultivation Experiments	14
Fertiliser Investigations	15
Organic Matter in Soil	17
Soil Population	19
Physical Conditions	21
Weed Flora	21
Entomological Investigations	23
Mycological Investigations	24
War Work at Rothamsted	25
Summary of Papers Published - I. Scientific Papers	28
Crops and Plant Growth :	28
Botanical Department I-vi	28
Statistical Department VII	33
Chemical Department - Rain VIII	34
Chemical Department - Soil Changes IX-xiii	35
Soil Organisms :	38
Protozoological Department XIV-xvii	38
Bacteriological Department XVIII, XIX	41
Chemcial Department XXI, XXII	43
Environmental Factors : Physical Department XXIII-xxix	45
Plant Pathology :	48
Entomological Department XX, Xxx, Xxxi	48
Mycological Department Xxxii-xxxv	51
Summary of Papers Published - II. Technical Papers	52
Experimental Plots and Pots Xxxvi-lv	52
Botanical Department Xxxvi, Xxxvii	52
Artificial Farmyard Manure Xlix	57
Partial Sterilisation Lv	58
General Agricultural Problems Lvi-lxi	59
Rothamsted Experimental Plots - Crop Results	60
Notes on the Seasons	60
Table of Results - the Classical Experiments	64
Lawes Agricultural Trust, Trustees and Committee;the Incorporated Society for Extending the Rothamsted Experiments	86

e-RAdoc: Digited Documents from the Rothamsted Long-term Experiments

Physical Conditions

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Report 1918-20 with the supplement to the Guide to the Experimental Plots containing the Yields per Acre etc.