The first graph below shows the weight (in tonnes) of fruit produced by a farm during each month in 2013, and also the amount (in tonnes) of fertiliser used. The second graph shows the volume of rainfall in each month (in millimetres).

The charts give information regarding the tonnage of fruit produced on a farm per month in 2013, the

fertiliser

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used and the monthly rainfall in that year. We can see that fruit production rose steadily from just over 2

tonnes

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in January to a peak of roughly 4.2

tonnes

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by August. Output

then

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fell rapidly, declining to around the initial 2-tonne mark in December.

However

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, looking at

fertiliser

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use, we see that

this

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seasonal pattern is largely reversed: the most

fertiliser

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(just under 1 tonne) was utilised in April, followed by a marked decline to zero in June and July.

Fertiliser

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consumption

then

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increased slightly in the autumn, rising to a total of around 0.7

tonnes

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before dipping to just below 0.5

tonnes

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at year-end. Regarding rainfall,

this

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appears to reflect the use of

fertiliser

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, with an early high of 16mm in February, falling consistently to 4mm in July, August and September. Rainfall

then

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increased steadily to reach 14mm in December.