Nitrogen Manure - Growth of Wheat

Table IX - Sulphuric Acid and Chlorine in Rain-water collected at Rothamsted

Full Minerals After Nitrate, Rothamsted

Amm[oni]a Salts, Rothamsted

Table VII - Nitrogen and Chlorine in Rothamsted Rain, Monthly Averages, 15 Years (1889-1903)

Full Minerals and Ammonium Salts, Rothamsted

Growth of Wheat at Rothamsted, 13 Years, With Increasing Amounts of Nitrogenous Manure

The Composition of the Rothamsted Soil

Young Farmers In Full Charge of the Piggeries

Table XII - Mechanical Analysis of Rothamsted Soils

Rothamsted [Experimental Station], [Harpenden, Hertfordshire, England]

Full Minerals and Nitrate of Soda, Rothamsted

Table X - Rainfall and Drainage at Rothamsted

Plant Food in Soil, Broadback Field, Rothamsted

Letter to Rosalind [Maitland] from Clara Tovey