D. J. Campbell

5 published titles

Soil and winter barley responses to zero and conventional traffic systems after ploughing or direct drilling on a sandy clay loam, 1985-86

(Contributor)

1 edition

Soil compaction, drawbar pull and stability measurements for the Hytracker all-terrain vehicle

1 edition

Soil and ware potato responses to zero and conventional traffic systems on a clay loam, 1987

(Contributor)

1 edition

Soil and ware potato responses to zero and conventional traffic systems on a loam, 1988

(Contributor)

1 edition

Tokamaks

(Contributor)

1 edition