In this paper we observed the evolution of opium poppy plants, Papaver somniferum L., in greenhouse conditions, after the foliar treatment with growth regulators. Plant growth regulators are chemical substances that ...

The aim of this study is to determine the colchicines effect, like a mutagen agent, in different concentrations upon the morphological characters to Sylibum marianum. Treatments were made to Sylibum marianum seeds, ...

The fractal analysis is most useful in characterizing the structure of branching trees, root of plants, leaves, membrane surface of cells and so on. The fundamental underlying principle in fractal geometry is self-similarity ...

Except the alkaline metals and alkaline-earth metals and some heavy metals such as Pb, Fe, etc the majority of elements within this class emerge in small amounts, dispersed in natural backgrounds, in raw materials, ...