Landscape diversity and the resilience of agricultural returns: a portfolio analysis of land-use patterns and economic returns from lowland agriculture

Table 2 Descriptive statistics of UK annual average GM per hectare (in 2010 prices) ^a,b

Land use	Proportion of land base across the three study regions, %	Predicted GM, GBP/hectare/year	StDev of predicted annual GMs across analysis period), GBP/hectare/year	CV of GM, %
Wheat	19.2	£909	£338	0.37
Barley	10.3	£716	£260	0.36
Cereal spring	2.3	£703	£258	0.37
Cereal winter	4.8	£755	£268	0.36
Oilseed rape	6.7	£744	£339	0.46
Linseed	5.2	£280	£243	0.87
Field beans, peas	5.6	£668	£244	0.37
Potatoes	3.3	£2,020	£644	0.32
Sugar beet	2.7	£1,209	£462	0.38
Horticulture	1.7	£2,067	£707	0.34
Maize	1.1	£678	£173	0.26
Hay/silage	7.6	£336	£231	0.69
Dairy	10.7	£1,613	£542	0.34
Beef (improved)	9.3	£413	£182	0.44
Beef (rough)	9.2	£361	£180	0.50
Sheep	0.2	£448	£129	0.29
Mean weighted by investment proportion		£815	316	0.44

Abbreviations: CV, coefficient of variation; GM, gross margin; GBP, Great British pounds.
^aBased on historic forecast GMs for agricultural activities from 1966–2010
^bSource: John Nix Farm-Management Pocketbooks.

ISSN: 2048-7010