1861

  1. On some points in connexion with the exhaustion of soils
  2. Fifth report of experiments on the feeding of sheep
  3. On some points in connection with the exhaustion of soils
  4. Reports of experiments on the fattening of oxen at Woburn Park Farm
  5. XXIII On the sources of the nitrogen of vegetation; with special reference to the question whether plants assimilate free or uncombined nitrogen
  6. On the application of different manures to different crops and on their proper distribution on the farm