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

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Appendix II cont<strong>in</strong>uedShareRice a All crops a <strong>of</strong> <strong>rice</strong>(%)Remark19761977197819791980198119821983198419851,7379,790693,430720,755701,4271,040,7631,063,6961,040,4091,055,1191,033,38865,400115,398809,597845,455826,4611,176,4381,210,1111,190,6801,218,7031,197,585398685858888878786Sources: 1. From 1900 to 1939, Cheng 1968.2. From 1953 to 1957, RGUB 1964. From 1957to 1968, SRUB 1970.4. From 1968 to 1969, RGUB 1970.5. From 1970 to 1972, SRUB, 1974.6. For 1974, SRUB 1977. 7. From 1975 to 1978, SRUB 1979.8. From 1979 to 1982. SRUB1984. 9. From 1983 to 1985, SRUB 1987. a na = not available.Appendix III. Draft cattle and load factor, 1901-85.Gross Cattle WorkloadPeriod sown area population per Remark(000 ha) (000 head) pair a1901190419091914191919241929193419391936195319541955195619571958195919601961196219631964196519664,7985,2495,7205,9876,2946,7117,1047,3117,5687,5616,5416,4226,5506,5566,4566,6766,8816,9537,6948,3768,7168,7568,7758,6501,7631,9202,2972,4372,7452,8492,996na3,1483.0672,8142,9042,9392.9743,0213,0893,1853,2843,3903,4193,7294,2334,2424,0755.445.464.984.914.594.714.74-4.814.934.654.424.464.394.274.324.324.234.544.904.674.144.144.26AV 1936-41cont<strong>in</strong>ued on next page146 A CENTURY OF RICE IMPROVEMENT IN BURMA

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