Разширено търсене
Автор да съдържа Petter Bergheim
Пр 2020
Каталог "Книги"
The harvesting time of grass for silage in Northern Norway
Vol. 1-
(1979)
Vol. 1 Ensiling experiments at Tjotta, Vagones, Holt and Flaten
Petter Bergheim
Пр 2020
Каталог "Книги"
The harvesting time of grass for silage in Northern Norway
Vol. 1-
(1979)
Vol. 2 Experiments with bulls on silage of grass harvested at different times
Petter Bergheim
Пр 2020
Каталог "Книги"
The harvesting time of grass for silage in Northern Norway
Vol. 1-
(1979)
Vol. 3 Experiments with dairy cows on silage of grass harvested at different times
Petter Bergheim