Colloquium on Forest Fertilization Kolloquium über Walddüngung. Proceedings of the Vth colloquium of the International Potash Institute, Jyväskylä, Finland, 1967
Colloquium on Forest Fertilization (1967 Jyväskylä, Finland) International Potash Institute
Berne International Potash Institute 1967?
Localização:
CENA - Cent. En. Nuclear na Agricultura
(634.0.16:631.81 I61f 5344 ) e outros locais(Acessar)
Tree growth and forest soils; proceedings of the third North American Forest Soils Conference held at North Carolina State University at Raleigh in August 1968
North American Forest Soils Conference (3rd 1968 North Carolina State University) Chester Theodore Youngberg 1917-; C. B Davey 1928- (Charles Bingham)
Corvallis Oregon State University Press c1970
Localização:
CENA - Cent. En. Nuclear na Agricultura
(634.0.2 Y68t 1123 )(Acessar)