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101.
102.
Hartley Jesse Engelbrecht Juanita van den Berg Noëlani 《European journal of plant pathology / European Foundation for Plant Pathology》2022,163(4):961-978
European Journal of Plant Pathology - Rosellinia necatrix is an ascomycete that causes white root rot (WRR) of several plant host species resulting in economic losses to affected agricultural and... 相似文献
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104.
本文评估了沙棘叶水提物在大白鼠体内的适应原活性和毒性.提取物的剂量依赖性适应原活性的研究采取将小鼠置于低温(5℃),低压(428mmHg),抑制(C-H-R)的环境下的30min前口服不同剂量的沙棘叶水提物.在亚急性毒性中,连续14d每天口服10倍和20倍最大有效剂量(每天口服1g/kg体重和2g/kg体重)和连续30... 相似文献
105.
Hartley H 《Science (New York, N.Y.)》1960,131(3394):146-148
106.
Fiona C. Fraser Paul D. Hallett Philip A. Wookey Iain P. Hartley David W. Hopkins 《Biology and Fertility of Soils》2013,49(1):99-103
Biological processes in soils are regulated in part by soil temperature, and there is currently considerable interest in obtaining robust information on the temperature sensitivity of carbon cycling process. However, very little comparable information exists on the temperature regulation of specific nitrogen cycling processes. This paper addresses this problem by measuring the temperature sensitivity of nitrogen cycling enzymes in soil. A grassland soil was incubated over a range of temperatures (?2 to 21 °C) reflecting 99 % of the soil temperature range during the previous 50 years at the site. After 7 and 14 days of incubation, potential activities of protease, amidase and urease were determined. Activities of protease and urease were positively related to temperature (activation energy; E a?=?49.7 and 73.4 kJ mol?1, respectively, and Q 10?=?2.97 and 2.78, respectively). By contrast, amidase activity was relatively insensitive to temperature, but the activity was significantly increased after the addition of glucose. This indicated that there was a stoichiometric imbalance with amidase activity only being triggered when there was a supply of exogenous carbon. Thus, carbon supply was a greater constraint to amidase activity than temperature was in this particular soil. 相似文献
107.
Extract Since the introduction in 1957 of a vaccination procedure to control Brucella ovis infection in sheep, many thousands of rams have been vaccinated annually throughout New Zealand almost without complications. 相似文献
108.
W.J. Hartley 《New Zealand veterinary journal》2013,61(3)
Extract For several months of the summer-autumn of 1994 there were many reports of blindness, particularly in Western Grey Kangaroos on properties extending from north western Victoria throughout western New South Wales. On some properties, up to 20% of macropods were affected. Many animals probably died, mainly from starvation. 相似文献
109.
E.D. Andrews D.Sc. A.N.Z.I.C. W.J. Hartley M.V.Sc. M.R.C.V.S. A.B. Grant B.Sc. Ph.D. 《New Zealand veterinary journal》2013,61(1-2):3-17
This paper presents survey results, analysis and discussion of hill country beef production in the Wairoa County (N.Z. East Coast). Areas of reproductive wastage are identified and discussed, and the principles of a fertility control programme indicated. 相似文献
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