Soil conservation, Banks (soil conservation), Earthing up
First Page Number
Last Page Number
Spencer, G W.
"Soil conservation : build contour banks with a disc plough,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 5
, Article 5.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol5/iss5/5