Livres associés

The utility of sulphate of ammonia in agriculture.

A tribute to Levi Stockbridge, professor of agriculture in the Massachusetts agricultural college from 1871 to 1882, and president of the college from 1880 to 1882.

Talks on manures : a series of familiar and practical talks between the author and the deacon, the doctor, and other neighbors, on the whole subject of manures and fertilizers

Some observations on manuring with bone-dust.

• The Farmers'' register.
  Auteur(s): Ruffin, Edmund
• The Farmers'' register.
  Auteur(s): Ruffin, Edmund
• The Farmers'' register.
  Auteur(s): Ruffin, Edmund

• An essay on calcareous manures