Break crops : an economic study in southern England with a technical appraisal from A.D.A.S. /

Опубліковано 1972

Die Dreifelderwirtschaft in Württemberg : ihre historische, natürliche und wirtschaftliche Begründung /

за авторством Brendler, Edgar, 1900-
Опубліковано 1930

The Tarlee rotation trial : effect of rotations and stubble handling methods on soil fertility and crop yields: first progress report (project identification code B1 S20) /

за авторством Schultz, J. E.
Опубліковано 1977

Systemes agraires et progres agricole : l'assolement triennal en Russie aux XVIIIe-XIXe siecles; etude d'economie et de sociologie rurales /

за авторством Confino, Michael
Опубліковано 1969

The Tarlee rotation trial : effect of rotations and stubble handling methods on soil fertility and crop yields : fifth progress report /

за авторством Schultz, J. E.
Опубліковано 1983

The Tarlee rotation trial : effect of rotations and stubble handling methods on soil fertility and crop yields : second progress report (project identification code B1/S20) /

за авторством Schultz, J. E.
Опубліковано 1978

The Tarlee rotation trial : effect of rotations and stubble handling methods on soil fertility and crop yields: third progress report (project identification code B1/S20) /

за авторством Schultz, J. E.
Опубліковано 1979

The Tarlee rotation trial : effect of rotations and stubble handling methods on soil fertility and crop yields : fourth progress report /

за авторством Schultz, J. E.
Опубліковано 1980