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i) Topography of the land: where land is too steep, a jembe is more appropriate than a tractor-drawn plough.
ii) Condition of the land: a forked jembe or disc plough is more appropriate on land that is stony, stumpy and has rhizomatous weeds than a jembe or mould board plough.
iii) Soil type: heavy soils require heavier implements than lighter soils
iv) Depth of cultivation desired: where deep digging is required heavy tractor – drawn ploughs and sub soilers are more appropriate than lighter ox-drawn ploughs and jembes.
v) Cost of the implement and the capital available; the cost of certain implements may be prohibitive to use.
vi) Skill or know-how required; most tractor drawn implements need special skills to operate as opposed to simple hand tools.
vii) Type of tilth required: a disc plough leaves a rough seedbed compared to a mould board plough. A rotavator may provide a finer tilth.
viii) The availability and accessibility of the implements; those that are not easily available may be expensive to acquire.
john3 answered the question on December 12, 2017 at 02:08
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