粳杂８０优１２１是我省农科院培育的１个大穗多粒型新品种，不仅优质，而且高产。前期有籼稻的繁茂性，后期有粳稻的茎秆挺而坚韧特点，是当前发展“两高一优”农业的理想水稻新品种。我县从１９９６年引进示范，１９９８年大面积推广，一般产量每公顷８２５０千克以上，... Japonica hybrid 80 You 121 is a large spike and grain variety cultivated by our province Academy of Agricultural Sciences, which not only has high quality but also high yield. Early indica rice’s lush, late japonica rice stalks and tough features, is the current development of “two high and one excellent” agriculture is the ideal new rice varieties. Our county introduced the demonstration from 1996, and popularized it in 1998, with a general output of 8,250 kilograms per hectare, ...