The country of Iraq covers the region known since ancient times as Mesopotamia, a Greek word meaning land between the rivers.. The fertile valley between the Tigris and Euphrates rivers supported some of the worldâs earliest civilizations.
In Saskatchewan there are two grades of sodium sulphate: the first is a salt cake grade, which is primarily used for wood digestion in the pulp and paper industry; the second is a detergent grade product that is used in detergents, glass, dyes, textiles, tanning, and in the chemical industry.
Salts may accumulate on the soil surface because they can-not leach out of the root zone.Plants can also be damaged by salt effects or toxic-ity. In saline and saline-sodic soils, high concentrations of soluble salts reduce the amount of available water for plants to use.his phenomenon may not occur in very sandy soils. because they lack clay content. Salt problems. When salts accumulate in soils, problems arise for. two main reasons: the soil becomes less permeable, and the salt damages or kills the plants.