'Nursery education is crucial for the future of our children and our nation. We must make a vital investment now.
'In this document Liberal Democrats put forward comprehensive proposals for how we would invest the money.
'Liberal Democrats have made it clear that we will increase provision for under fives but we will not compromise on quality. While, under certain circumstances, pre-school play groups and early admission to school may provide some benefit, high quality nursery education is undoubtedly the most effective way forward.