A century of rice improvement in Burma - IRRI books - International ...

All combined1977-84 1977-78 1978-79 1979-80 1980-81 1981-82 1982-83 1982-84Variable Symbol (308 obs) (17 obs) (31 obs) (52 obs) (52 obs) (52 obs) (52 obs) (52 obs)Mean SD Mean SD Mean SD Mean SD Mean SD Mean SD Mean SD Mean SDArea per ex- 847 635 1426 1050 1019 945 1011 750 761 539 764 448 713 377 692 381tension X 11Rice environ- X 0.09 0.28 0.18 0.39 0.13 0.34 0.08 0.27 0.08 0.27 0.08 0.27 0.08 0.27 0.08 0.2721mentworker (ha)No. of produc- X 5.1 3.0 1.5 1.5 4.0 4.0 4.2 3.5 5.7 2.8 5.8 2.4 tion camps 125.8 2.4 5.8 2.4in township:No. of staff X 96 148 18 32 49 57 66 97 121 168 123 190 trained 13115 157 109 157during cropyearFarmer training X 0.44 0.50 0.12 0.33 0.19 0.40 0.38 0.49 0.54 0.50 0.46 0.50 (high level) 14Farmer training X 0.32 0.47 0.24 0.44 0.32 0.48 0.38 0.49 0.29 0.46 0.37 0.48 (medium 15level)Voluntary labor X 0.16 0.37 0.06 0.24 0.10 0.30 0.15 0.36 0.21 0.41 0.15 0.36 (high level) 16Voluntary labor X 0.27 0.44 0.12 0.33 0.23 0.43 0.25 0.44 0.29 0.46 0.21 0.41 (medium 17level)Rice environ- X 0.58 0.49 0.53 0.51 0.52 0.51 0.60 0.50 0.60 0.50 0.60 0.50 18ment(delta)Rice environ- X 0.09 0.28 0.00 0.00 0.06 0.25 0.10 0.30 0.10 0.30 0.10 0.30 ment19(coastal)Rice environ- X 0.15 0.36 0.24 0.44 0.23 0.43 0.13 0.34 0.13 0.34 0.13 0.34 ment20(irrigated)0.54 0.29 0.17 0.29 0.60 0.10 0.13 0.50 0.46 0.38 0.46 0.50 0.30 0.34 0.52 0.33 0.19 0.38 0.60 0.10 0.13 0.500.470.400.490.500.300.34(dry zone)