الفهرس 
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Abstract
The objectives of this investigation were to Study the effect of nitrogen and phosphorus fertilizers applications from different salt effected soils under cropping , and the effect of leaching process on the behavior of cations and anions under these conditions and evaluate N-P nutrition on growth and chemical compostition of corn plants growth on different salt affected soils collected from different locations of Egypt.Salt problems are not restricted to arid or semiarid regions, however. they can develop even in sub-humid and humid regions under appropriate conditions.