1. The continuous high level of the water table led to soil salination . 2. Salination occurs due to a combination of natural and human-caused processes.3. Iraq suffers from desertification and salination of the soil. 4. Use of humic acids may prevent excess salination , especially given excessive irrigation. 5. Efforts to alleviate the soil salination problem since 1995 have minimised the problem. 6. Other historians point to soil salination as the culprit in the decline in agriculture. 7. In recent times, the increased soil salination has made the area unsuitable for grazing. 8. In the Chaco, the salination of already arid land makes farming even more difficult. 9. Farmers have irrigated the area for a century, so soil salination is becoming a concern. 10. Salination caused by leaching from aquaculture and contamination by hog raising operations have rendered its waters undrinkable.
