Consider the following statements about salinity and alkalinity in Punjab's soils:

1. High pH levels in certain soils of Punjab indicate alkalinity, which can hinder nutrient availability.

2. Saline soils in Punjab are often caused by poor drainage and excessive irrigation, leading to salt accumulation.

3. Application of lime is the most common practice to reclaim saline-alkaline soils in Punjab.

Which of the above statements is/are correct?