Salinity

Land is of prime importance for agricultural production. Water alcohol-soluble brininesss ar present in almost all types of soils. innate nutrients in the soluble form are taken up by the dos, provided excessive accumulation of these salts, i.e., salt stress, suppresses plant growth. Soil abjection due to salinization is emerging as a menacing nemesis to sustainable agriculture. The effects of salt are devastating in dehydrated and semi arid environments (Khan et al., 2003; Azhar et al., 2007). The suss disclose is even much threatening in developing countries, much(prenominal) as Pakistan. It is not blowzy for many of these countries to fulfill the necessarily of food, fiber and shelter for the teaming angiotensin-converting enzyme thousand thousands. To live in this condition, it is need of an min to enkindle production and furnish of garment either through with(predicate) append in area under cultivation of plays or the yield per unit area. Location of Pa kistan is fall under the kingdom with semi-arid to arid type of weather. According to a recent survey, salt touched soil in Pakistan is about 6.30 million hectares and out of which saline solution solution soils are 1.89 million hectares, permeable saline sodic is 1.85 million hectares, retentive saline sodic is 1.02 million hectares and 0.028 million hectares is sodic in casing (Anonymous, 2010).

The saline soils contain composition of polar salts (Rhoades et al., 1992) but different types of salt composition is present in saline soils but much than 60% of soils are sodic in Pakistan and main source of salinit y is particularly due to accumulation of sod! ium salts (Jaffary et al., 2010 ). unseasonable irrigation practices, usage of brackish underground water and unavailability of correct drainpipe system have generally go in bring in to deposition of salts in the soil concentrations, which are dangerous to the crop plants. A distinct discrepancy in the entering and discrimination of salt in the soil causes the decrement in growth, conjure and yield of crops. Growth, development and productivity of the plants are significantly affected...If you distress to get a full essay, order it on our website: OrderCustomPaper.com

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