Zobrazeno 1 - 10
of 11
pro vyhledávání: '"D. B. Johnstone-wallace"'
Autor:
D. B. Johnstone-Wallace
Publikováno v:
Proceedings of the British Society of Animal Production. 1944:74-84
The paper as presented consisted of extracts from “Grazing management practices and their relationship to the behaviour and grazing habits of cattle ”, by D. B. Johnstone-Wallace and Keith Kennedy, Department of Agrostology, Cornell University, I
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c982b73395ac86868c2b12cc76aafec
https://doi.org/10.1017/s0369852100000105
https://doi.org/10.1017/s0369852100000105
Autor:
D. B. Johnstone-wallace
Publikováno v:
Agronomy Journal. 29:441-455
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7158c24d2cbb466a884a4f1abb759831
https://doi.org/10.2134/agronj1937.00021962002900060003x
https://doi.org/10.2134/agronj1937.00021962002900060003x
Autor:
D. B. Johnstone-Wallace
Publikováno v:
Soil Science Society of America Journal. 2:299-304
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0f6071a9ea077a26e126ef9654b5473
https://doi.org/10.2136/sssaj1938.036159950002000c0047x
https://doi.org/10.2136/sssaj1938.036159950002000c0047x
Publikováno v:
Agronomy Journal. 34:963-974
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db9e54d945fdfd3754bfe9ef8b8cbe0f
https://doi.org/10.2134/agronj1942.00021962003400110001x
https://doi.org/10.2134/agronj1942.00021962003400110001x
Autor:
D. B. Johnstone-Wallace, Keith Kennedy
Publikováno v:
The Journal of Agricultural Science. 34:190-197
1. The grazing habits of Aberdeen-Angus and Hereford beef cows, on pasture without supplementary feed, were studied over continuous periods of 24 hr. during the months of July, August and September. The pastures were from 3 to 7 acres in extent and c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a8cf7661a3f50fdc5c971e36e89d3c6
https://doi.org/10.1017/s0021859600023649
https://doi.org/10.1017/s0021859600023649
Autor:
Gordon, John G.
Publikováno v:
Proceedings of the Nutrition Society; Jul1970, Vol. 29 Issue 2, p325-330, 6p
Publikováno v:
Journal of Agricultural Science; Oct1944, Vol. 34 Issue 4, p190-197, 8p
Publikováno v:
British Medical Bulletin; Jan1945, Vol. 3 Issue 1-3, p58-60, 3p
Publikováno v:
British Medical Bulletin; Jan1945, Vol. 3 Issue 1-3, p60-60, 1p
Autor:
E. John Russell
Originally published in 1954. This great work surveys the distribution of the world's population and the food production of all countries chosen as important by reason of either their demands on the world food market or their contributions to it. The
