Nitrogenous fertilizers and the production of crops and grass /
Holmes, W.
Nitrogenous fertilizers and the production of crops and grass / W . Holmes and D. T. A. Aldrich. - London : Wye College, University of London , 1956 - 9 - 14 p: ill. ; 26 cm. - Reprint ; no.90 .
Includes bibliographical references.
Nitrogen fertilizers ----Great Britain.----
Crops ----Fertilizers.----
Grasses.--------
Nitrogenous fertilizers and the production of crops and grass / W . Holmes and D. T. A. Aldrich. - London : Wye College, University of London , 1956 - 9 - 14 p: ill. ; 26 cm. - Reprint ; no.90 .
Includes bibliographical references.
Nitrogen fertilizers ----Great Britain.----
Crops ----Fertilizers.----
Grasses.--------