Items where Year is 1891

Creators Item Type No Grouping

History and present position of the Rothamsted investigations. (1891) Gilbert, Joseph Henry

Observations on rainfall, percolation and evaporation. (1891) Gilbert, Joseph Henry

Results of experiments at Rothamsted on the question of the fixation of free nitrogen. (1891) Gilbert, Joseph Henry

Water and waer-supply with special reference to the supply of London from the chalk of Hertfordshire. (1891) Hopkinson, J.

The sources of the nitrogen of our leguminous crops. (1891) Lawes, John Bennet, Gilbert, Joseph Henry picture_as_pdf

XLVII On nitrification Part IV A report of experiments made in the Rothamsted Laboratory. (1891) Warington, Robert picture_as_pdf