Potassium symposium 1955 Potasio = Kalium : 26 papers read at the annual meeting of the Board of Technical Advisers of the International Potash Institute, (4 sessions), Rome 1955
Potassium symposium 1956 = Potasio = Kalium symposium : 11 papers read at the Annual Meeting of the Board of Technical Advisers of the International Potash Institute (4 sessions) London, 1956
Potassium Symposium, 1957 : 16 papers read at the fourth Congress of the International Potash Institute (4 sessions), Vienna 1957 = Potasio symposium, 1957
Potassium Symposium, 1958 12 papers read at the fourth [i.e. fifth] Congress of the International Potash Institute (4 sessions), Madrid 1958 = Potasio symposium, 1958
La fumure potassique dans les conditions méditerranéennes comptes rendus du 7e congrès de l'Institut International de la Potasse, Athènes 1962 : 17 rapports présentés au cours de conq séances de travail
La fertilisation des cultures protegees Compte Rendu du VIe Colloque de l'Institut international de la Potasse, Florence/Italy = Fertilization of protected crops : proceedings of the VIth colloquium of the International Potash Institute, Florence, Italy, 1968
Transition from extensive to intensive agriculture with fertilizers proceedings of the 7th Colloquium of the International Potash Institute held in Israel, 1969
InternationalPotashInstitute
Berne, Switzerland 1969
Localização:
ESALQ - Biblioteca Central
(E 294 7/1969 )(Acessar)
Potassium research and agricultural production proceedings of the 10th congress of the International Potash Institute held in June 1974 in Budapest, Hungary
InternationalPotashInstitute
Worblaufen-Bern The Institute 1975
Localização:
ESALQ - Biblioteca Central
(E 295 10/1974 proceedings )(Acessar)