Report 1921-22 with the supplement to the Guide to the Experimental Plots containing the Yields per Acre etc.
Creators: name: Rothamsted Experimental Station
Publisher: name: Lawes Agricultural Trust
Year: 1923
Subjects: subject: crop yield
subject: meteorological observations
subject: fertilizer application
subject: wheat
subject: soil
subject: crop rotation
subject: agricultural research
subject: agronomy
subject: barley
subject: fallowing
subject: farmyard manure
subject: nitrogen fertilizers
subject: rothamsted research
subject: rothamsted classical experiments
subject: broadbalk long-term experiment
subject: park grass long-term experiment
subject: rothamsted long-term experiments
subject: hoosfield alternate wheat and fallow long-term experiment
subject: exhaustion land long-term experiment
subject: broadbalk wilderness experiment
subject: geescroft wilderness experiments
subject: agdell long-term experiment
subject: barnfield clover long-term experiment
subject: woburn experimental farm
subject: soil cultivation
subject: soil acidity
subject: apiculture

description: Scanned PDF of Report 1921-22 with the supplement to the Guide to the Experimental Plots containing the Yields per Acre etc.
description: Rothamsted Experimental Station Report for 1921-22 With The Supplement to the Guide to the Experimental Plots..3<br>Rothamsted Laboratories, Erected 1914-16............................................................4<br>Contents............................................................................................5<br>Rothamsted Experimental Station and Woburn Experimental Farm Staff List.............................6<br>Publications of the Rothamsted Experimental Station.................................................10<br>Introduction - General Account of Rothamsted........................................................12<br>Report For The Years 1921, 1922 ....................................................................13<br>Soil Cultivation....................................................................................13<br>Soil Acidity........................................................................................15<br>The Feeding Of The Planet...........................................................................16<br>Fertiliser Investigations...........................................................................18<br>Effect Of Manures On Crop Composition And Quality...................................................22<br>Quantity Of Fertiliser And Crop Composition And Quality.............................................24<br>Soil Population And Plant Foods.....................................................................24<br>Control Of Soil Population..........................................................................25<br>The Plant Disease ..................................................................................26<br>Apicultural Investigations .........................................................................28<br>The Associated Farms : Woburn Farm and Leadon Court Farm............................................28<br>Summary of Papers Published - I. Scientific Papers.................................................31<br>CROPS AND PLANT GROWTH : Botanical Department.......................................................31<br>STATISTICAL METHODS AND RESULTS : Statistical Department............................................35<br>SOIL ORGANISMS .....................................................................................38<br>ENVIRONMENTAL FACTORS ..............................................................................42<br>PLANT PATHOLOGY ....................................................................................44<br>Summary of Papers Published - II. Technical Papers.................................................51<br>CROPS AND CROP PRODUCTION...........................................................................51<br>ORGANIC MANURES ....................................................................................52<br>Rothamsted Experimental Plots .....................................................................57<br>Notes On The Seasons................................................................................57<br>Expenditure And Cash Returns........................................................................61<br>Costs Of Ploughing..................................................................................62<br>Woburn Experimental Farm Report 1921-1922...........................................................63<br>Table Of Results - The Classical Experiments.......................................................79<br>Table Of Results - Later Experiments...............................................................92<br>OUTSIDE CENTRES : Malting Barley....................................................................106<br>Lawes Agricultural Trust, Trustees And Committee; The Incorporated Society For Extending The Rothamsted Experiments..107<br>