Variables Category Observation (N) Mean Std. Dev Min Max
  ------------------------------------ Berea District---------------------------------------------------
Grain yield (kg/ka) Output (O) 30 1218.19 1053.24 150 4500
Farm size (Ha) Input (I) 30 3.69 5.34 0 24.03
Payment for land (Loti) Input (I) 30 1550.89 1778.01 0 5000
Fertilizer used (kg/ha) Input (I) 30 137.19 115.27 0 400
Fertilizer cost (Loti)/season Input (I) 30 88.25 83.24 0 290
Quantity of seeds used (kg/ha) Input (I) 30 15.27 14.39 0 50
Man-days (hrs) Input (I) 30 37.42 32.02 0 100
Wage rate/day Input (I) 30 18.27 24.22 0 100
Quantity of herbicide used (Litres/ha) Input (I) 30 0.26 0.44 0 2
Price of herbicides (Loti)/season Input (I) 30 24.91 32.03 0 113.33
Labour cost (Loti/season) Input (I) 30 973.27 1599.71 0 6300
Efficiency score --- 30 0.365 0.37 0.0001 1.0
  ------------------------------------ Butha Buthe District -----------------------------------------
Grain yield (kg/ka) Output (O) 45 1850 1559.65 450 4000
Farm size (Ha) Input (I) 45 3.5 1.93 2 6.8
Payment for land (Loti) Input (I) 45 4420 3997.75 500 10000
Fertilizer used (kg/ha) Input (I) 45 320 130.38 200 500
Fertilizer cost (Loti)/season Input (I) 45 112.40 66.02 2 160
Quantity of seeds used (kg/ha) Input (I) 45 26 11.40 10 40
Man-days (hrs) Input (I) 45 85 154.54 0 360
Wage rate/day Input (I) 45 14 19.49 0 40
Quantity of herbicide used (Litres/ha) Input (I) 45 0.35 0.49 0 1
Price of herbicides (Loti)/season Input (I) 45 28 4702.34 0 100
Labour cost (Loti/season) Input (I) 45 2480 0.284 0 10800
Efficiency score -- 45 0.281   0.0002 0.625
 

-------------------------------------------- Leribe District -----------------------------------------

Grain yield (kg/ka) Output (O) 15 610 569.43 150 1600
Farm size (Ha) Input (I) 15 0.80 0.83 0 2
Payment for land (Loti) Input (I) 15 860 1244.19 0 3000
Fertilizer used (kg/ha) Input (I) 15 20 20.91 0 50
Fertilizer cost (Loti)/season Input (I) 15 28.60 37.81 0 70
Quantity of seeds used (kg/ha) Input (I) 15 8 8.37 0 20
Man-days (hrs) Input (I) 15 15 15.65 0 35
Wage rate/day Input (I) 15 17 0 0 30
Quantity of herbicide used (Litres/ha) Input (I) 15 0 0 0 0
Price of herbicides (Loti)/season Input (I) 15 0 463.54 0 0
Labour cost (Loti/season) Input (I) 15 435 0.361 0 1050
Efficiency score --- 15 0.369   0.09 0
 

--------------------------------------------- Maseru District -------------------------------

Grain yield (kg/ka) Output (O) 15 896.88 800.51 100 3000
Farm size (Ha) Input (I) 15 2.5 1.89 0.20 7
Payment for land (Loti) Input (I) 15 3368.75 5034.91 100 18000
Fertilizer used (kg/ha) Input (I) 15 117.19 109.82 0 400
Fertilizer cost (Loti)/season Input (I) 15 113.13 48.95 0 180
Quantity of seeds used (kg/ha) Input (I) 15 18.59 11.79 10 50
Man-days (hrs) Input (I) 15 40.25 25.96 0 96
Wage rate/day Input (I) 15 19.06 14.17 0 50
Quantity of herbicide used (Litres/ha) Input (I) 15 0.38 0.306 0 1.26
Price of herbicides (Loti)/season Input (I) 15 103.28 202.08 0 800
Labour cost (Loti/season)/season Input (I) 15 813.44 819.00 0 2880
Efficiency score -- 15 0.144 0.23 0 0.69
Table 4: Summary statistics of input and output variables used across districts for DEA analysis.