The study found that early-spring harvested crops, such as artichokes, offer a positive alternative habitat compared to those crops harvested in late spring. Form the press note: "[...] Intensive activities in artichoke fields, including field preparation, planting, and fertiliser and pesticide applications, occur during the winter when lesser kestrels are in Africa. Artichoke fields are abandoned after mid-April harvesting, when birds come back to breed. Prey availability in the abandoned fields is usually high and sustains lesser kestrels during breeding [...]"
You can read the Press Release here and the original work by Rosanna, here.