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

Chemcial Department XXI, XXII

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

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 Plots1
Rothamsted Laboratories, Erected 1914-162
Rothamsted Experimental Station Staff List4
Publications of Rothamsted Experimental Station6
Introduction - General Account of Rothamsted7
Report for the Years 1918-20 8
Expenditure on Crops9
Stubble Cleaning11
Efficiency of Labour12
Value of Tractor13
Cultivation Experiments14
Fertiliser Investigations15
Organic Matter in Soil17
Soil Population19
Physical Conditions21
Weed Flora21
Entomological Investigations23
Mycological Investigations24
War Work at Rothamsted25
Summary of Papers Published - I. Scientific Papers28
Crops and Plant Growth :28
Botanical Department I-vi28
Statistical Department VII33
Chemical Department - Rain VIII34
Chemical Department - Soil Changes IX-xiii35
Soil Organisms : 38
Protozoological Department XIV-xvii38
Bacteriological Department XVIII, XIX41
Chemcial Department XXI, XXII43
Environmental Factors : Physical Department XXIII-xxix45
Plant Pathology :48
Entomological Department XX, Xxx, Xxxi48
Mycological Department Xxxii-xxxv51
Summary of Papers Published - II. Technical Papers52
Experimental Plots and Pots Xxxvi-lv52
Botanical Department Xxxvi, Xxxvii52
Artificial Farmyard Manure Xlix57
Partial Sterilisation Lv58
General Agricultural Problems Lvi-lxi59
Rothamsted Experimental Plots - Crop Results60
Notes on the Seasons60
Table of Results - the Classical Experiments64
Lawes Agricultural Trust, Trustees and Committee;the Incorporated Society for Extending the Rothamsted Experiments86

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