Table 1 Descriptive statistics
Units | Khorezm (n = 298 observations) | ||||
|---|---|---|---|---|---|
Mean | SD | Min | Min | ||
Output variable | |||||
Yield | tons ha−1 | 2.72 | 0.43 | 1.9 | 3.6 |
Production variables | |||||
Diesel | kg ha−1 | 204.65 | 50.47 | 100 | 300 |
Labour | Person-days ha−1 | 66.95 | 28.89 | 30 | 153 |
Nitrogen | kg ha−1 | 197.2 | 38.92 | 100 | 277 |
Seeds | kg ha−1 | 64.55 | 5.85 | 55 | 87 |
Land | kg ha−1 | 15.22 | 12.84 | 1 | 81.5 |
Farm characteristics | |||||
Farm size (Fsize) | ha | 19.48 | 13.69 | 4.4 | 92.1 |
Bonitet score (Bscore) | Index (1–100) | 55.71 | 11.10 | 30 | 85 |
Obsolete Drainage (Drain) | Dummy | 0.51 | 0.50 | 0 | 1 |
Crop diversification indexa (Div) | Index (0≤ ) | 0.28 | 0.33 | 0 | 1.54 |
Socio-demographic and institutional characteristics | |||||
Participation in off-farm work (Offwork) | Dummy | 0.44 | 0.50 | 0 | 1 |
Dependency ratiob (Dratio) | Ratio | 1.00 | 1.12 | 0.1 | 8 |
Access to Credit (Acredit) | Dummy | 0.42 | 0.49 | 0 | 1 |
Satisfaction with WUA services (Wua) | Dummy | 0.39 | 0.49 | 0 | 1 |
Knowledge indicators | |||||
Agricultural experience (agexp) | Years | 14.54 | 7.81 | 3 | 38 |
Graduated from university (educ1) | Dummy | 0.30 | 0.46 | 0 | 1 |
Graduated from college (educ2) | Dummy | 0.46 | 0.50 | 0 | 1 |
Finished only high school (educ3) | Dummy | 0.24 | 0.43 | 0 | 1 |
Educational background (Edb) | Dummy | 0.49 | 0.50 | 0 | 1 |
Seminar participation (Seminar) | Frequency | 4.55 | 1.30 | 2 | 9 |
Agronomic practices | |||||
Water availability (Wavail) | Dummy | 0.45 | 0.50 | 0 | 1 |
Weeding frequency (Weedfreq) | Frequency | 5.73 | 1.55 | 2 | 10 |
Manure application (Manur) | Dummy | 0.47 | 0.50 | 0 | 1 |