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Three microplot trials with spring wheat were run on soil varying for pH level. Increasing Zn doses from 5 to 200 mg·kg -1 were tested. Zn applications resulted in a substantial rise of Zn content of wheat shoots. In addition, an interaction of zinc and phosphorus in the plants was found. Contrary to most reports in literature, the interaction was not solely an antagonism. It is only the excessive...
The authors calculated the total sum of microelements in plants and determined the percentage share of specific elements in this sum according to the ANE method. Then, both the changes of the microelements share in the sum and the changes of absolute microelement concentrations in plant tissues depending on soil pH were investigated. The sample collections of four plant species from the Silesia region,...
The objective of this research was to determine if copper concentration in the top plant tissue can be a reliable indicator of Cu toxicity. A four-year microplots experiment was carried out with 4 copper treatments: 0, 30, 60, and 90 kg ha 1. Spring wheat, red clover, and maize were grown on the microplots filled with sandy acid soil. In the first and second year, after application of the highest...
Paper discussed the needs of molybdenum fertilization in Poland and the methods of evaluating soil abundance in this micronutrient. It was stated rather low diagnostic usefulness of determining Mo extractable by Tamm's solution acc. to Grigg's method, so called Mo-number as well as the Mo extraction in 1 mol · HCI dm⁻³ solution. Such diagnosis requires an additional considering of different soil traits,...
Soil, as the one of nonrenewable elements of the environment, should be especially protected from contamination. The most important soil pollutants, besides hydrocarbons and pesticide residues, are the heavy metals. The level of soil contamination is assessed by comparing current concentration of pollutants with the suitable limits called the „threshold values". These values depend on several...
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