Zobrazeno 1 - 10
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pro vyhledávání: '"Sylvan H. Wittwer"'
Autor:
Sylvan H. Wittwer
Climate and the weather can be proclaimed as the most determinant factors both for plant growth and for crop productivity. This chapter addresses the implications of the greenhouse effect, or more specifically, possible global climate changes induced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e4d0c20caa1270be362301277de22c9
https://doi.org/10.1201/9781003210252-7
https://doi.org/10.1201/9781003210252-7
Autor:
Sylvan H. Wittwer
Publikováno v:
Food Security in the United States ISBN: 9780429048975
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc87376a563193d4a7b8a180161bef0e
https://doi.org/10.1201/9780429048975-29
https://doi.org/10.1201/9780429048975-29
Autor:
Sylvan H. Wittwer
Publikováno v:
Science, Technology, and the Issues of the Eighties ISBN: 9780429305528
Science, Technology, and the Issues of the Eighties
Science, Technology, and the Issues of the Eighties
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1eaf51ce0b6c62f6e30addcabce4b626
https://doi.org/10.4324/9780429305528-9
https://doi.org/10.4324/9780429305528-9
Autor:
Sylvan H. Wittwer
Publikováno v:
The Agricultural Scientific Enterprise ISBN: 9780429308772
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca432f482ff14beaa9c3362c5c4a9578
https://doi.org/10.4324/9780429308772-23
https://doi.org/10.4324/9780429308772-23
Autor:
Nicolas Castilla, Sylvan H. Wittwer
Publikováno v:
HortTechnology. 5:6-23
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fde9b8827acefc55a77445a975c4cba4
https://doi.org/10.21273/horttech.5.1.6
https://doi.org/10.21273/horttech.5.1.6
Autor:
Sylvan H. Wittwer
Publikováno v:
HortTechnology. 3:6-19
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4cfc46b6214b9b2ee9de7118945948a
https://doi.org/10.21273/horttech.3.1.6
https://doi.org/10.21273/horttech.3.1.6
Autor:
Sylvan H. Wittwer
Publikováno v:
HortScience. 25:1560-1567
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c127b8fd5ae9ea3750dea54b8afb3a01
https://doi.org/10.21273/hortsci.25.12.1560
https://doi.org/10.21273/hortsci.25.12.1560
Autor:
Sylvan H. Wittwer, Boyd R. Strain
Publikováno v:
Critical Reviews in Plant Sciences. 2:171-198
Human society is now inadvertently conducting a great biological and environmental experiment, the outcome of which is not known. Atmospheric carbon dioxide (CO2) is increasing at the rate of 1.5 parts per million (ppm) per year. It has risen from 31
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd1d4252fe049a47ffbd20ec574c0aff
https://doi.org/10.1080/07352688509382195
https://doi.org/10.1080/07352688509382195
Autor:
Sylvan H. Wittwer
Publikováno v:
World Development. 5:487-495
This paper treats the problems of how to enhance agricultural output per unit of land area per unit of time — how to increase the productivity of the individual farmer. The author emphasizes the importance of combining a biophysical approach with a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b563dc46402ebffdc1311b74fb0d5ebe
https://doi.org/10.1016/0305-750x(77)90052-3
https://doi.org/10.1016/0305-750x(77)90052-3
Autor:
Sylvan H. Wittwer
Publikováno v:
HortScience. 18:667-673
One of the characteristics of today’s world is that changes may be occurring more rapidly than our ability to cope with them. An example is the CO2 level in the atmosphere which is rising at the rate of 1.5 to 2 ppm per year. It is 10% above the le
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12e97508c0a8565893ff4d85a35f0c0d
https://doi.org/10.21273/hortsci.18.5.667
https://doi.org/10.21273/hortsci.18.5.667