Report for 1927-28
Creators: name: Rothamsted Experimental Station
Publisher: name: Lawes Agricultural Trust
Year: 1928
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: potatoes
subject: apiculture
subject: sugarbeet
subject: oats
subject: grasslands
subject: lucerne
subject: soil cultivation
subject: entomology
subject: insecticides
subject: disease control

description: Scanned PDF of Report for 1927-28
description: Rothamsted Experimental Station Report for 1927-28 With The Supplement to the Guide to the Experimental Plots..1<br>Rothamsted Laboratories, Erected 1914-16............................................................2<br>Contents............................................................................................4<br>Rothamsted Experimental Station and Woburn Experimental Farm Staff List.............................6<br>Publications of Rothamsted Experimental Station.....................................................13<br>Introduction - General Account of Rothamsted........................................................17<br>Rothamsted Report For The Years 1927, 1928..........................................................20<br>CROP EXPERIMENTS....................................................................................21<br>Potatoes............................................................................................21<br>Sugar Beet..........................................................................................24<br>Barley..............................................................................................26<br>THE NEW NITROGENOUS MANURES.........................................................................27<br>EFFECT OF FERTILISERS ON COMPOSITION AND QUALITY OF THE GRAIN.......................................29<br>Winter-sown Oats and Wheat..........................................................................30<br>Grassland...........................................................................................32<br>Fallow..............................................................................................34<br>Lucerne.............................................................................................35<br>THE ACCURACY OF THE FIELD EXPERIMENTS...............................................................36<br>List of Standard Errors in the Replicated Experiments 1925-28.......................................37<br>PLANT GROWTH AND QUANTITY OF FERTILISER ...........................................................40<br>DETAILED LABORATORY AND POT CULTURE INVESTIGATIONS ON FERTILISERS...................................40<br>SOIL CULTIVATION....................................................................................42<br>THE CONSTITUENTS OF THE SOIL........................................................................44<br>SOIL MICROBIOLOGY...................................................................................45<br>DISEASE ORGANISMS AND PESTS.........................................................................49<br>ENTOMOLOGY..........................................................................................51<br>INSECTICIDES........................................................................................52<br>BEE RESEARCH........................................................................................54<br>Summaries of Papers Published, 1927, 1928 - I. Scientific Papers :..................................55<br>CROPS, PLANT GROWTH AND FERTILISER INVESTIGATIONS...................................................55<br>STATISTICAL METHODS AND RESULTS.....................................................................58<br>THE SOIL............................................................................................65<br>THE SOIL POPULATION AND ITS BEHAVIOUR...............................................................72<br>THE PLANT IN DISEASE; CONTROL OF DISEASE............................................................79<br>Summaries of Papers Published, 1927, 1928 - II. Technical Papers :..................................89<br>Meteorological Observations.........................................................................95<br>The Farm and Crop Results , Rothamsted, 1927, 1928..................................................97<br>Woburn Experimental Farm, 1927, 1928................................................................102<br>Rothamsted Experimental Plots, 1927, 1928 ..........................................................118<br>The Use of the Summary Tables.......................................................................118<br>The Classical Experiments...........................................................................119<br>Replicated Experiments..............................................................................131<br>Experiments at Rothamsted...........................................................................131<br>Experiments at Woburn...............................................................................154<br>Experiments at Outside Centres......................................................................165<br>Lawes Agricultural Trust, Trustees And Committee; Society For Extending The Rothamsted Experiments..176<br>