[PDF] Top 20 Pełny tekst – pdf. DOI:10.5601/J ELEM.2011.16.1.13

... Magnesium is fundamental to the existence of life. The consequence of altered ma- gnesium homeostasis may be magnesium deficiency. It is well known that magnesium plays a role in tumour biology such as carcinogenesis, ... See full document

... a depth of 0-40 and 40-80 cm. A three-year field experiment was conducted in Byszwa³d near Lubawa. The soil had acidic reaction (pH 1 mol KCl dm–3 of 5.30) and contained the following concentrations of mineral ... See full document

... Our own tests did not confirm the results obtained by the above au- thors. On the contrary, it can be claimed that the way land is kept fallow has a dominant effect on modification of bioavailable forms of phorphorus. It ... See full document

... Selenium is a trace element which in small amounts is necessary for human and ani- mal nutrition. In a living organism, it helps a number of antioxidant enzymes to function normally. In many parts of the world, including ... See full document

... The aim of this paper has been to evaluate yields and seed quality of winter oilseed rape depending on the plant density, foliar fertilisation with magnesium, sulphur, boron and Asahi growth biostimulant combined with ... See full document

... Fruits of both aubergine cultivars contained varied contents of macro- elements depending on the substrate and fertilization levels. Higher concen- trations of nitrogen were found in fruits of plants grown on highmoor ... See full document

... It was found that the breeding site significantly affected the Mg concen- tration in the tissues and organs among individual freshwater fish species. The magnesium concentration were also significantly affected by the ... See full document

... the cultivars in which the losses after a long-term storage period, irrespec- tive of the affecting factors, do not exceed 12% are considered to be the material of good storage life, while the fresh weight losses ... See full document

... Following publications underlining the potential use of selenium (Se) in reducing the risk of prostate, skin, colorectal, liver, mammary and lung cancer, awareness of the impor- tance of Se to human health has markedly ... See full document

... approximately 1%, they may be a significant source of nutrients and essential elements for the human body, although they can also contain harmful elements (S ZTEKE ... See full document

... grup 1-3 wykaza³a wzrastaj¹ce stê¿enie G0’, G120’ i ciœnienie skurczowe (SBP), odpowiednio p=0,01; p=0,01; p=0,04 oraz ró¿nice w stê¿eniu Zn (p=0,002) i Cu/Zn (p=0,0003), z najni¿- szymi wartoœciami Zn 10,67±3,37 ... See full document

... metal and the exposure time had a statistically significant effect on concentrations of ma- gnesium and calcium in water soldier, as well as on their concentration in water. Except the control and regardless the exposure ... See full document

... In 2007-2008, pot experiments were conducted on cv. Michalina head lettuce grown in an unheated greenhouse in spring. The aim of the study was to compare organic and mi- neral iron compounds as well as their rates in ... See full document

... et al. (2009), who reported an increase in the amount of nitrates in peaches after application of multi-component fertilizers. In this experiment, fertiliz- ing increased the content of calcium and magnesium in fruits of ... See full document

... Finally, this study is not to be understood as a criticism of the action researchers and potential action researchers whose research topics and topic preferences are at the core of the discussion. Despite identifying ... See full document

... is an essential element in the formation of a person’s identity” and as such “it could even be called a vital human need” (Heikkinen, 2003, p. 1). However, this “fundamental struggle for recognition…is not an easy ... See full document

... In connection with the previous issue, Bell (2005) determined that several of the most ac - ceptable behaviors of effective foreign language teachers are related to their competent us[r] ... See full document

... However, it could be claimed that the indirect corrective feedback rather than the traditional copy editor kind of feedback on spelling errors will work to the students’ advantage at[r] ... See full document

... In that sense, the twofold aim of this research was (1) to obtain an understanding of the meaning teachers narratively give to their teaching and learning experiences and classroom p[r] ... See full document

... The thirty participants of this research are in-service cooperating teachers of English who work in either the public educational sector or the private sector. This means that these teachers work closely with ... See full document