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广州地区20年来(1959-1978年)水稻产量变化情况广州地区水稻插植面积1959年为442.32万亩,平均亩产291斤,1978年为468.43万亩,平均亩产515斤,20年间亩产增加224斤,早稻插植面积1959年为196.91万亩,亩产222斤,1978年插植面积225.84万亩,亩产532斤,20年间增310斤.晚稻1959年插植面积245.41万亩,亩产346斤,1978年插植面积242.59万亩,亩产499斤,20年间亩增153斤,早稻比晚稻在20年内多增产157斤,晚稻的增产速度不如早稻.在20年间,早稻
Guangzhou 20 years (1959-1978) changes in rice production Guangzhou planting area of rice in 1959 to 442.32 million mu, the average yield of 291 kg, 468.43 million mu in 1978, the average mu yield of 515 pounds, 20 years of mu produce An increase of 224 kg, early rice planting area of 1969 to 196.91 million mu, 222 kg per mu, planting area of 2,508,400 mu in 1978, mu yield of 532 pounds, 20 years increased by 310 pounds late rice in 1959 planting area of 245.41 million mu, Mu yield of 346 pounds, planting area of 24459 acres in 1978, 499 pounds per mu, 20 years of mu by 153 pounds, compared with late rice in late 20 years yield more than 157 pounds, late rice yield growth as early rice.In 20 years, early rice