Which is the main cause of land degradation in Gujarat,

Which is the main cause of land degradation in Gujarat, Rajasthan and Madhya Pradesh? How can it be checked?

Gujarat, Rajasthan and Madhya Pradesh are semi-arid in nature With vast grasslands. Now large-scale overgrazing has caused severe land degradation in these states. Different measures may be taken to check such problems
(i) Afforestation and proper management of grazing.
(ii) Control on overgrazing.