Poor soil quality or arid lands need to be "conditioned" to bring them back to production capabilities [ farm lands].
With the case of the silt/clay soils common to the flood boundaries of large rivers, in hot climates, the baked hard pan can be 'easily' transformed. With the aid of our charity involvement [https://www.zhro.org.uk/] we show you a very short clip of previous projects.
The principle is very obvious. The device carries out 2 simultaneous operations, first 600mm [2 ft] deep ripper plough, plus an intermittent shallow dish plough. This second device, creates the regular depressions, into which rainwater will collect - then seep into the deeper trench.