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Table 6 Determinants of intensity of adoption of improved rice varieties: Tobit model

From: Agricultural technology adoption, commercialization and smallholder rice farmers’ welfare in rural Nigeria

  Pooled data (1) Upland (2) Lowland (3) Irrigated (4)
Variable Coefficient Coefficient Coefficient Coefficient
YIELD 0.0001* (0.000) 0.000 (0.000) −0.0001 (0.000) −0.000 (0.000)
SEACES −0.185 (0.127) −0.420** (0.203) −0.333* (0.171) −0.053 (0.055)
ACREDIT −0.243* (0.144) −0.022 (0.129) −0.353* (0.183) 0.084 (0.059)
AGE2 0.001** (0.000) 0.001* (0.001) 0.001* (0.001) −0.000 (0.000)
RICINC 0.179* (0.092) 0.355*** (0.093) 0.349** (0.116) 0.100** (0.047)
HSIZE 0.023 (0.015) −0.012 (0.019) 0.025 (0.021) −0.005 (0.005)
GNR 0.089 (0.152) −0.189 (0.324) 0.124 (0.196) 0.048 (0.058)
EXCONT −0.366** (0.152) 0.315 (0.399) −0.448** (0.227) −0.015 (0.036)
NCRI −1.379*** (0.229) 0.709 (0.635) −1.481*** (0.306) −0.067 (0.181)
HOWN 0.864*** (0.247) 0.524 (0.347) 0.747**(0.325) -
MAIN −0.033 (0.208) 0.126 (0.214) 0.092 (0.252) 0.105 (0.179)
NTRAIN −0.062 (0.039) −0.012 (0.035) −0.149* (0.081) 0.007 (0.007)
OFFINC −0.126 (0.213) 0.294 (0.319) −0.088 (0.269) -
KANO 0.372** (0.179) 0.764 (0.529) 1.068 (0.839) -
NIGER −0.626*** (0.175) 0.508 (0.424) - 0.088 (0.128)
TRAINB 0.349* (0.186) 0.061 (0.290) 0.718** (.297) −0.037 (0.043)
AGE −0.102*** (0.038) −0.087* (0.049) −0.120** (0.049) 0.004 (0.018)
MEORG 0.231* (0.129) 0.132 (0.188) 0.253 (0.177) 0.062 (.038)
INOCRP 0.338*** (0.077) −0.156* (0.088) 0.445*** (0.110) 0.031 (0.034)
TORAREA −0.021 (.033) −0.015 (0.045) −0.028 (0.045) −0.103*** (0.013
SEDIST 0.017** (0.008) 0.008 (0.011) 0.028* (0.015) 0.001 (0.002)
COSEED 0.008*** (0.002) 0.009*** (0.004) 0.008*** (0.003) −0.001 (0.002)
EDUB −0.295** (0.118) 0.093 (0.145) −0.339** (0.148) −0.020 (0.072)
FYEXP 0.009 (0.008) 0.016 (0.010) −0.007 (0.008) −0.003 (0.002)
CONSTANT −3.834*** (1.383) −2.655 (1.643) −6.131 (1.841) −0.448 (0.579)
/SIGMA 0.948 (0.039) 0.549 (0.046) 1.118 (0.054) 0.104 (0.008)
NUMBER OF OBSERVATION 514.000 151.000 417.000 90.000
LR CHI2 (24) 279.060 72.640 226.340 91.090
PROB > CHI2 0.000 0.000 0.000 0.000
PSEUDO R2 0.204 0.239 0.203 0.058
LOG LIKELIHOOD −543.670 −115.773 −443.737 −74.301
  1. Source: Field survey, 2010. ***, **, and * implies significant at 1 %, 5 %, and 10 % respectively
  2. Note: Figures in Parentheses are the standard error
  3. ME Marginal Effect