The natural history of a garden von Spedding, Colin R. W., Spedding, Geoffrey

An introduction to agricultural systems von Spedding, Colin R. W.

Grassland ecology von Spedding, Colin R. W.

Grass ecology von Spedding, Colin R. W.

Sheep production and grazing management von Spedding, Colin R. W.

Biological efficiency in agriculture von Spedding, Colin R. W., Walsingham, J. M., Hoxey, A. M.

Inhaltsverzeichnis

The biology of agricultural systems von Spedding, Colin R. W.

Grassland ecology von Spedding, Colin R. W.

Animal welfare von Spedding, Colin R. W.

An introduction to agricultural systems von Spedding, Colin R. W.