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The results of a study of varietal differences in Jerusalem artichoke.


, : The results of a study of varietal differences in Jerusalem artichoke.. Izv. Timiryazev. seljsk. Akad, 5, 103-16

On the basis of phenological data, growth characteristics, dry matter accumulation, development of assimilatory surface and photosynthetic activity, an original classification is offered of the commonest varieties of Jerusalem artichoke grown in the U.S.S.R.

US$29.90


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Macneil, C.; Platvoet, D., 2005: The predatory impact of the freshwater invader Dikerogammarus villosus on native Gammarus pulex (Crustacea: Amphipoda); influences of differential microdistribution and food resources. Predation between invading and native species can produce patterns of exclusion and coexistence. Dikerogammarus villosus, a Ponto-Caspian amphipod species, has invaded many central European freshwaters in the past decade, replacing native Gammarus...

Jones, J.L.; Davis, E.U., 1988: Looking back. Early occupational therapy education in Wisconsin: Elizabeth Upham Davis and Milwaukee-Downer College. Among the early influences on the profession of occupational therapy were the founding schools and those who helped create them. The Midwest was energized by Elizabeth Upham Davis, who was instrumental in establishing the occupational therapy educ...

Hamann, H.; Cyba-Altunbay, S., 1989: Determining the amputation level. The peripheral amputation level (at the knee or below the knee) is the most important factor in obtaining optimal functional results and reducing the relatively high operative mortality of above-knee amputations in patients with occlusive arterial...

Lavoie, P.; Gariépy, J-Luc.; Milot, Gève.; Jodoin, S.; Bédard, F.; Trottier, F.; Verreault, Ré., 2012: Residual flow after cerebral aneurysm coil occlusion: diagnostic accuracy of MR angiography. The purpose of this study was to estimate the performance measures of MR angiography (MRA) in the diagnosis of aneurysm residual flow after coil occlusion. Patients having at least 1 cerebral aneurysm treated with coil occlusion were prospectively...

Song, L-qing.; Feng, J.; Wang, X-song.; Yu, J-hua.; Hou, Y-jun.; Xie, P-hui.; Zhang, B-wen.; Xiang, J-feng.; Ai, X-cheng.; Zhang, J-ping., 2003: Dual emission from 3MLCT and 3ILCT excited states in a new Ru(II) diimine complex. The unique behavior of a new Ru(II) diimine complex, Ru(bpy)(2)(L)(2+) (where L is 4-methyl-4'-[p-(dimethyl- amino)-alpha-styryl]-2,2'-bipyridine, bpy is 2,2'-bipyridine), was studied in detail. Due to the strong electron donating p...