Nitrogen fixation and nodulation of Alnus and Hippophae under natural conditions
Series: Mededelingen van het Botanisch Laboratorium der Rijksuniversiteit, Leiden -- no. 157
Published: 1971
Place of publication: Leiden
Language: eng
Number of pages: 85
Subjects: Nitrogen; Fixation; Root-tubercles
Notes: Summary in English and Dutch.

"Stellingen" slip inserted.

Vita.

Thesis (doctoral)--Leiden.

Bibliography: p. 82-84.