Note by E.B. Littlejohn, "Ferguson tractor with scalloped disc cultivator turning in a green manure crop. Note boxthorn hedge," and by T.H. Kneen, "Margaret Hunt at controls of Ferguson tractor.Black and white photograph. Student, Margaret Hunt, turning in Green Manure Crop with scalloped disc cultivator on Ferguson tractor. Early Spring. Boxthorn hedge in the background.ferguson tractor, scalloped disc cultivator, green manure crop, boxthorn hedge, margaret hunt, orchard, student working outside