كتب ذات صلة

The principles of soil management

On the nature and property of soils their connexion with the geological formation on which they rest, the best means of permanently increasing their productiveness, and on the rent and profits of agriculture

Lessons on soil.

The formation of vegetable mould, through the action of worms with observations on their habits.

• The Andes of southern Peru geographical reconnaissance along the seventy-third meridian
  المؤلفون: Bowman, Isaiah
• Forest physiography physiography of the United States & principles of soils in relation to forestry.
  المؤلفون: Bowman, Isaiah
• Forest physiography physiography of the United States and principles of soils in relation to forestry
  المؤلفون: Bowman, Isaiah

• The water relations of plants : a symposium of the British Ecological Society, London, 5-8 April 1961
  المؤلفون: Rutter, A. J. ,  Whitehead, Frederick Henry.
• The valuation of American timberlands.
  المؤلفون: Woodward, Karl Wilson
• The Toxins and Venoms and their antibodies
  المؤلفون: Pozzi-Escott, Em.