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Table 3 Marginal effects for the adoption of different conservation practices/bundles

From: Assessing the joint adoption and complementarity between in-field conservation practices of Kansas farmers

Variables None No-tillage only Cover crops only Use of manure only No-tillage and cover crops No-tillage and use of manure
KW factor 0.895**
(0.397)
− 1.328***
(3.09)
0.314**
(0.139)
− 0.107
(0.132)
− 0.039
(0.192)
0.266
(0.205)
Available water content − 1.749**
(0.721)
2.652***
(0.781)
− 0.707**
(0.271)
0.137
(0.235)
0.169
(0.348)
− 0.502
(0.371)
Std slope 0.0046
(0.0069)
0.0021
(0.0075)
0.0032*
(0.0018)
− 0.0053*
(0.0026)
− 0.0032
(0.0034)
− 0.0014
(0.0036)
Farm size − 0.00009***
(0.00001)
0.00008***
(0.00001)
0.00000
0.00000
− 0.00001
(0.00000)
0.00000
(0.00000)
0.00001***
(0.00000)
Rental percentage − 0.108***
(0.028)
0.096***
(0.030)
− 0.022**
(0.0095)
− 0.012
(0.0090)
0.026*
(0.013)
0.021
(0.014)
Irrigation percent − 0.010
(0.068)
0.118
(0.076)
− 0.091
(0.064)
0.011
(0.017)
− 0.065
(0.049)
0.037
(0.031)
EQIP and CSP − 0.110***
(0.030)
0.049
(0.034)
0.013
(0.014)
− 0.012*
(0.0072)
0.038**
(0.018)
0.023
(0.017)
Experience 0.0016**
(0.0007)
− 0.00061
(0.00077)
− 0.00014
(0.00018)
− 0.00006
(0.00023)
− 0.00001
(0.00033)
− 0.00079**
(0.00038)
Risk avoider 0.012
(0.020)
0.012
(0.021)
− 0.0045
(0.0054)
0.0084
(0.0065)
− 0.018**
(0.0088)
− 0.0096
(0.010)
Off-farm employ − 0.050**
(0.021)
0.055**
(0.023)
− 0.0097*
(0.0058)
− 0.0032
(0.0066)
0.0098
(0.0095)
− 0.0021
(0.011)
Crop insurance − 0.013
(0.022)
0.046*
(0.023)
− 0.0099
(0.0069)
− 0.0029
(0.0065)
− 0.0047
(0.010)
− 0.015
(0.012)
Gender − 0.078*
(0.049)
0.170***
(0.050)
− 0.015
(0.017)
0.0099
(0.011)
− 0.041
(0.030)
− 0.046
(0.033)
College − 0.063**
0.021
0.050**
(0.023)
− 0.010*
(0.0053)
0.014*
(0.0073)
0.0013
(0.0096)
0.0084
(0.011)
Livestock 0.019
(0.020)
− 0.080***
(0.022)
− 0.0064
(0.0056)
0.032***
(0.0065)
− 0.0013
(0.0094)
0.037***
(0.010)
West − 0.015
(0.029)
− 0.0072
(0.032)
− 0.0072
(0.0069)
0.0016
(0.0094)
− 0.012
(0.012)
0.040**
(0.020)
East − 0.053**
(0.024)
0.066**
(0.027)
− 0.027***
(0.0082)
− 0.0018
(0.0077)
− 0.020**
(0.010)
0.035**
(0.016)
Average PZ 0.137
(0.111)
− 0.173
(0.119)
− 0.083**
(0.035)
0.051
(0.041)
0.040
(0.057)
0.028
(0.052)
Std PZ − 0.094
(0.104)
0.222*
(0.112)
0.038
(0.033)
− 0.040
(0.032)
− 0.061
(0.052)
− 0.065
(0.055)
Model fit statistics
Log likelihood − 2180.80
McFadden pseudo R2 0.084
Number of observations 2091
  1. Standard errors are presented in parentheses
  2. ***, **, * indicate statistical significance at 1%, 5% and 10% level, respectively. Marginal effects are estimated as partial average effects following Greene (2012)