To J. H. Gilbert 5 February 1881
Summary
Asks whether vegetable mould has an acid reaction. The contents of intestines of earthworms and castings are acid, which leads him to inquire about mould.
Author: | Charles Robert Darwin |
Addressee: | Joseph Henry Gilbert |
Date: | 5 Feb 1881 |
Classmark: | Rothamsted Research (GIL13) |
Letter no: | DCP-LETT-13038 |
To J. H. Gilbert 25 February 1881
Summary
Discusses acidity of earthworm castings. JHG’s reply will make him more cautious.
Would like to see W. A. Detmer’s paper [Landwirtsch. Versuchs-Stat. 14 (1871): 248–300] and S. W. Johnson’s work [How crops feed].
Comments on food value of white and brown bread.
Author: | Charles Robert Darwin |
Addressee: | Joseph Henry Gilbert |
Date: | 25 Feb 1881 |
Classmark: | Rothamsted Research (GIL13) |
Letter no: | DCP-LETT-13066 |
To J. H. Gilbert 15 March 1881
Summary
Returns the two books JHG had lent him. "I can plainly see I had better say nothing about the acidity of common mould."
Author: | Charles Robert Darwin |
Addressee: | Joseph Henry Gilbert |
Date: | 15 Mar 1881 |
Classmark: | Rothamsted Research (GIL13) |
Letter no: | DCP-LETT-13087 |
To J. H. Gilbert 8 June 1881
Summary
Regrets that he has not strength enough to visit [Rothamsted].
Author: | Charles Robert Darwin |
Addressee: | Joseph Henry Gilbert |
Date: | 8 June 1881 |
Classmark: | Rothamsted Research (GIL13) |
Letter no: | DCP-LETT-13198 |