Document Type : Original Article
Department of Botany and Microbiology, Faculty of Science (Boyes), Al-Azhar University, Cairo, Egypt.
The present study attempts to throw light on the limiting parameters in soil and water controlling the presence of the fern Adiantum capillus veneris L. in EL- Sharkyia and South Sinai governorates in Egypt. To achieve this purpose, twenty-seven soil and water samples sites support this fern distribution in nine regions in two governorates, namely EL-Sharkyia and South Sinai. In the present study, 13 parameters, including pH, TDS, EC, water-soluble cations (Na+, K+, Ca++, and Mg++), water-soluble anions (CO3--, HCO3-, Cl2 and SO4--), organic matter and calcium carbonate were measured. While, eleven parameters only in water samples were studied. The present study revealed that the limiting parameters in water are Cl-, SO4— (except EH and EE), Ca++, and Mg++. While in soil (plate 4), One can conclude that the limiting parameters are organic matter, Cl-, SO4—, K+, Mg++, and Ca++ (except KG).