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

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

How crops feed. A treatise on the atmosphere and the soil as related to the nutrition of agricultural plants.

• Soil conditions and plant growth.
  المؤلفون: Russell, Edward J.
• The fertility of the soil
  المؤلفون: Russell, Edward J.
• Soil conditions and plant growth
  المؤلفون: Russell, Edward J.

• Water reptiles of the past and present
  المؤلفون: Williston, Samuel Wendell
• Water plants a study of aquatic angiosperms.
  المؤلفون: Arber, Agnes (Robertson) 1879-1960
• The wanderings of animals
  المؤلفون: Gadow, Hans