TABLE 1.

Plot information, boundary categories and cover and height values of herbs and crops with their distribution levels, mean values for inner and outer boundaries, and tests of differences between inner and outer boundaries. Levels of significance: ***p<0.001; **p<0.01; +p<0.05.

Plot information
Descriptor		Level			Crop type	Nr of plots	Nr of fields
Field pair		20 names			Spelt	24	2
Kettle hole		Yes/No			Barley	56	6
Field position		Inner/Outer boundary			Rye	64	1
Boundary position		CE/FM			Triticale	16	5
					Wheat	320	26
Boundary categories
All categorical with two levels				0	1	Percent 0/1	Chi‐square p value (difference between inner and outer boundaries)
Mowed				431	46	85/14	0.000***
Water				407	70	85/14	0.001***
Hedge				392	85	82/17	0.001***
Trees				224	253	46/53	0.299
Forest				453	24	95/5	Boundary categories with less than 10% occurrences in one level were not considered for further analysis
Grassy				26	451	95/5
Grassland				443	34	92/7
Road				336	141	70/30	0.000***
Cover and height values
	Unit	Value	Mean inner CE	Mean outer CE	Wilcoxon rank test p value (difference between inner and outer boundaries)		Mean inner FM	Mean outer FM	Wilcoxon rank test p value (difference between inner and outer boundaries)
Cov_herbs	%	0–98.25	13.94	12.45	0.879		74.39	69.56	0.041*
Herb_high	cm	0–140	51.76	43.23	0.074		73.8	66.45	0.02*
Cov_crop	%	0–98.75	75.88	66.78	0.000***
Crop_high	cm	0–193.75	91.62	82.84	0.010**