. Macartney J. C.2015-07-172015-07-171968Macartney, J. C., & Dagg, M. (1968). Equipment Modifications to A Mechanized Tied-Ridge System of Cultivation. East African Agricultural and Forestry Journal. 34(1), 153–159. https://doi.org/10.1080/00128325.1968.116622900012-8325https://kalroerepository.kalro.org/handle/0/5169Increasing acreages of marginal land in East Africa are being brought under the plough using commercially available equipment. Cultivations with high-speed disc implements on dry soil in the preparation of fine consolidated seedbeds has had a delerte rious effort on soil structure, chiefly from the point of view of soil and water conservation. [6] Although the benefits of tie ridging have been appreciated and proven under certain in Tanzania. [7, 8, 9] cultivation policy and recommendations have not been …enhttp://creativecommons.org/licenses/by/3.0/Journal ContributionEquipmentMechanized methodsRidge tillageCultivationhttps://doi.org/10.1080/00128325.1968.11662290