黑龙江省纬度高，温差大，光照足，土质肥沃，灌溉水洁净等自然条件符合优质米栽培。同时有水稻种植面积大，种植区集中，商品量大等优越条件，根据国内外市场需求，为充分利用该省有利条件，开发优质米，笔者于１９９４～１９９６年在１１个市（县）进行了优质米栽培技术... Heilongjiang Province latitude high temperature difference, light enough, fertile soil, clean water irrigation and other natural conditions in line with high-quality rice cultivation. At the same time, there are some superior conditions such as large planting area of ​​rice, concentrated planting area and large quantity of commodities. According to the needs of domestic and foreign markets, in order to make full use of the favorable conditions in the province and develop high quality rice, the author conducted the research in 11 cities (counties) from 1994 to 1996 High-quality rice cultivation techniques ...