Response	Variable	Estimate	Std. Error	z value	Pr (>\|z\|)
R1	Intercept	−2.698	2.092	−1.289	0.197
	Latitude	0.385	0.196	1.968	0.049	*
	Altitude	−0.002	0.000	−6.053	<0.001	***
R2	Intercept	−2.929	1.499	−1.955	0.051	.
R2	Latitude	0.398	0.143	2.789	0.005	**
R3	Intercept	1.452	0.071	20.404	<0.001	***
R3	Altitude	−0.001	0.000	−3.299	<0.001	***
R4	Intercept	1.292	0.086	14.962	<0.001	***
	Altitude	−0.001	0.000	−3.821	<0.001	***
	Farm organization membership yes	0.185	0.062	2.966	0.003	**
R5	Intercept	−5.078	2.264	−2.242	0.025	*
	Latitude	0.579	0.211	2.737	0.006	**
	Altitude	−0.001	0.000	−3.420	<0.001	***
R6	Intercept	1.407	0.072	19.647	<0.001	***
R6	Altitude	−0.001	0.000	−2.826	0.005	**
R7	Intercept	−3.522	1.579	−2.230	0.026	*
R7	Latitude	0.445	0.150	2.957	0.003	**