The diagram below illustrates a spring tined cultivator or harrow
(a) For what type of farm operation is the implement used?
(b) Name the implement used:
(i) before the spring tined harrow is required;
(ii) after its operation.
(c) Explain how the vertical stalk helps the tine to overcome the obstruction.
(d) State five maintenance methods for the implement
(e) After the cultivator has worked on the soil, what changes will occur in the following:
(i) soil structure
(ii) soil texture
(a) The harrow is used for land preparation.
(b) (i) Disc plough is used before the harrow is required or plough
(ii) Ridger
(c) The vertical stalk is strong. pointed and bent forward and thís enables it to till the soil and break soil lumb of hardpans thereby, reducing the lumbs to small particles.
(d) Maintenance of the implements:
(e)(i) The soil structure will be disturbed or destroyed as the topmost layer of the fertile soil is mixed with the sub-soil and texture may be reduced from larger particles to smaller ones.
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