He was asked:

What is the ruling concerning someone who enters into a sharecropping agreement with one of the co-owners of undivided land, for an area corresponding to that co-owner’s share, when the others refuse to cultivate it?

He answered:

If some co-owners refuse to contribute to the expenses required for cultivation, another co-owner may cultivate an area corresponding to his own share and retain exclusively what he grows on that area. And Allah knows best.

He was asked:

Concerning land jointly owned by two people: one asked the other to cultivate it with him. The other gave permission but then went away, so the first cultivated less than the area corresponding to his share. The first then demanded his payment. What is the ruling?

He answered:

If one co-owner asks the other to cultivate the land with him or agree with him on an allocation of its use, and the other refuses, the first may cultivate an area corresponding to his share and owes his co-owner no rent for doing so. This is because the latter has neglected his obligation, whereas the first