Alternate Technologies For Nitrogen Fertilizers Including Genetic Engineering

von Hardy, R. W.
Veröffentlicht in Fertilizer Industry Round Table Proceedings of the 31st annual meeting (1981)

The acetylene-ethylene assay for N2 fixation : laboratory and field evaluation

von Hardy, R. W. F.
Veröffentlicht in Plant physiology (1968)

Hatchery and nursey production of portunid crabs : proceedings of the 3rd International Workshop on Culture, Fisheries and Stock Enhancement of Portunid Crabs held in Iloilo, Phi...

Veröffentlicht 2007