Practice question · Numerical answer
Under three-field rotation, what percentage of the arable is under crop in a given year, to the nearest whole number?
Hints
- One field of the three lies fallow.
- Two thirds, as a percentage.
Show the answer
67 (answers within ±1 count)
Why
67 per cent, against 50 under a two-field system, an increase of a third in the cultivated area from a change in scheduling alone. The second benefit is less obvious and may matter more: a spring sowing spreads ploughing and harvest labour across the year instead of concentrating it.
Practise Towns and Commerce, Eleventh to Thirteenth Centuries
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