Zobrazeno 1 - 10
of 81
pro vyhledávání: '"S. H. Wittwer"'
Autor:
Lea M. Kurkki, S. H. Wittwer
Publikováno v:
Agricultural and Food Science, Vol 28, Iss 1 (1956)
Twelve tomato varieties were exposed to night temperatures of 50—55° F and 65—70° F for two weeks just after cotyledon expansion beginning one week after the seed was sown. The responses of each variety were observed as regards the days to the
Externí odkaz:
https://doaj.org/article/65915e56780341ce9196efc9f702685c
Autor:
S. H. Wittwer
Publikováno v:
Plant Growth Regulating Chemicals ISBN: 9781351075749
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::823f8eb143ec23bc3585003ea802a240
https://doi.org/10.1201/9781351075749-12
https://doi.org/10.1201/9781351075749-12
Autor:
D. I. Arnon, W. Baumeister, W. U. Behrens, E. v. Boguslawski, M. J. Bukovac, H. Burghardt, M. Erichsen, W. Flaig, W. H. Fuchs, F. Grossmann, F. Heilinger, G. P. Hill, J. Jung, H. Kick, J. G. Kisser, P. J. Kramer, H. Kühn, P. Limberg, H. Linser, H. H. Mayr, K. Mengel, K.-H. Neumann, K. Scharrer, G. Schmid, W. Schuster, H. B. Tukey, H. Walter, S. H. Wittwer
Seit dem Erscheinen des zweibändigen Standardwerkes von F. HoNCAMP,'Handbuch der Pflanzenernährung und Düngerlehre', sind mehr als dreißig Jahre vergangen. Bei den stürmischen Fortschritten auf allen Gebieten der Natur wissenschaften, insbeson
Autor:
S. H. Wittwer
Publikováno v:
HortScience. 11:182-185
On December 3, 1974 our Chief Executive wrote to the President of the National Academy of Sciences and to the Secretary of Agriculture calling for an assessment of the food problem. A program with research and development recommendations to insure ou
Autor:
S. H. Wittwer
Publikováno v:
Engineering Issues: Journal of Professional Activities. 102:183-191
There is a growing interest among professional societies in getting into the information role of selling technology. Societies must take an active part of the responsibility for convincing the public that it needs a permanently strong technology. Tec
Autor:
S. H. Wittwer
Publikováno v:
BioScience. 24:216-224
The 2% per year worldwide population increases along with the increasing incomes and affluence of many countries are a stress on existent food producing systems. Now for the 1st time in history there are hungry nations with money who are bargaining f
Autor:
S. H. Wittwer
Publikováno v:
Outlook on Agriculture. 6:205-217
Growth regulants were first identified in the early 1930s as significant in crop production. Much has transpired since those early days of exciting discovery, so that today many natural and synthetic chemicals challenge the scientific investigator an
Publikováno v:
Physiologia Plantarum. 23:908-919
Uptake of micronutrient zinc by intact leaves, enzymically isolated leaf cells, leaf disks, excised roots, and stem-callus tissue of two field bean cultivars 'Saginaw’ and ‘Sanilac’) was studied using radio-isotope tracer technique. Radio-phosp
Autor:
F G Teubner, and S H Wittwer
Publikováno v:
Annual Review of Plant Physiology. 10:13-30
Publikováno v:
Journal of Food Science. 11:54-60