Zobrazeno 1 - 10 of 27 pro vyhledávání: '"E. R. Keller"'
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Planting materials for warm tropic potato production: growth and yield of transplanted seedlings or rooted cuttings and tuber materials in the field
Autor: J. S. Benz, E. R. Keller, David J. Midmore
Publikováno v: Field Crops Research. 40:179-192
Expansion of potato production in lowland tropical regions has been constrained by the lack of planting materials, given that adapted genotypes and suitable field management practices now exist. The respective performance of transplanted materials (i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5fe4cf85bece2c97a2b9a588c212a7de
https://doi.org/10.1016/0378-4290(94)00099-x
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5
THE BEHAVIOR OF THREE COLD-TOLERANT AND A STANDARD SOYBEAN VARIETY IN RELATION TO THE LEVEL AND THE DURATION OF A COLD STRESS
Autor: J. Schmid, E. R. Keller
Publikováno v: Canadian Journal of Plant Science. 60:821-829
The cold tolerance of the varieties Gieso (Federal Republic of Germany), Amurskaja 41 (Russia), ISZ-7 and I-1 (Hungary) was investigated in growth chamber and greenhouse experiments. In the growth chamber trial, cool and cold temperatures reduced the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c886abe4f32dd4188d0d6a1e804c54b9
https://doi.org/10.4141/cjps80-121
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7
Auxins, ABA and gibberellin-like activity in abscising and non-abscising flowers and pods of Vicia faba L
Autor: E. R. Keller, R. Diethelm, Fritz Bangerth
Publikováno v: Plant Growth Regulation. 7:75-90
Abscission probability varies among floral positions within inflorescences of Vicia faba L. Flowers from proximal positions have a greater chance to develop into mature pods than flowers from more distal positions which normally abscise either as old
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c81a37082b8b9f78543e9ab0342b3c66
https://doi.org/10.1007/bf00025203
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9
Versuch einer Charakterisierung von Blaustabilität und Blaulabilität bei der Kartoffel durch Knolleneigenschaften
Autor: M. Baumgartner, E. R. Keller, F. Schwendimann
Publikováno v: Potato Research. 26:17-30
Mit dem Ziele, Genotypen mit geringer Blauempfindlichkeit und hoher Blaustabilitat zu charakterisieren, wurden an verschiedenen Knollenherkunften von acht verschiedenen Sorten Inhaltsstoffe untersucht, die fur die Blauempfindlichkeit von Bedeutung se
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6bd808501a26f8509242ee50e816748e
https://doi.org/10.1007/bf02357370
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10
Erhaltung der Ertragsfähigkeit des Bodens auf lange Sicht unter dem Einfluß von Fruchtfolgegestaltung, Düngung und Herbizideinsatz
Autor: W. G. Sturny, P. Weisskopf, F. Schwendimann, E. R. Keller
Publikováno v: Journal of Agronomy and Crop Science. 163:90-104
Soil reaction, organic carbon content, cation exchange capacity, and aggregate stability have proven to be relatively stable values. Changes of greater significance were evidenced regarding the character of the air-water regime, a factor of particula
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c1d0a554727d3fb7bb5fa0b55079bb77
https://doi.org/10.1111/j.1439-037x.1989.tb00741.x
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