The Sciences
The Fertility of the Soil
Recent Advances in Agricultural Science
Stories by A. D. Hall
The Sciences
The Fertility of the Soil
Chemistry and Farming
The Sciences
Artificial Fertilizers: Their Nature and Functions.—V
The Effect of Nitrogen, Phosphoric Acid, and Potash.
The Sciences
Artificial Fertilizers: Their Nature and Function.—IV
The Sciences
Artificial Fertilizers: Their Nature and Function.—III
The Nitrogenous Manures
The Sciences
Artificial Fertilizers: Their Nature and Function—II
The supply of Nitrogen to the plant
The Sciences
Artificial Fertilizers: Their Nature and Function.—I
The nutrition of the plant
