La contaminación con metales pesados es un problema grave a nivel mundial y en algunas regiones de México. En las ciudades, esto se debe principalmente residuos o desechos la industria al flujo vehicular principalmente. El presente estudio está enfocado determinar concentración (Cd, Cr, Pb V) hojas especies arbóreas (Pinus halepensis Mill., Cupressus sempervirens L. Prosopis spp.). Estas fueron...

Research goal: This article presents the results of a research project aimed at demonstrating effects and benefits using an organic ingredient, hydrogel (Hydro Start), to improve germination growth Paulownia tomentosa Cupressus sempervirens seedlings. Materials Methods: The experiments started in May 2022 were conducted CREA-OF greenhouses Pescia (PT) on seeded plants sempervirens. seeds placed...

Abstract A significant amount of apiaries is destroyed in most areas Iraq by attacking the hornet Vespa orientalis Linnaeus, 1771, as well deterioration European honey bees’ Apis mellifera 1758 productivity recently because environmental changes and pollutions; this effect was evident economy plant production, bees popular species pollinator crops globally. There no effective environmentally sa...