1. Forget the documents.
2. Ensure the physical possession of the proeprty and continue the cultivation.
3. if some one asserts his right over it then ask for document from him.
4. if everyone knows your ownership then you should not face any difficulty to enjoy this property.
5. Howeevr you may face difficulty while selling it.
6. But if you want to enjoy it then you can do that so without any problem.