Progressive wheat production
By: prepared under the auspices of the Centre d'Etude de l'Azote and edited by a special committee of member agronomists.
Series: Centre d'étude -- no. 4.
Publisher: Centre d'Etude de l'Azote
Published: 1960
Place of publication: Geneva
Language: eng
Number of pages: 338
Subjects: Wheat.
Notes: Papers in English, German and French.