陆稻在云南西南部临沧地区的沧源、双江、耿马、永德等县具有悠久的种植历史。特别是沧源县,20世纪80年代至90年代中期,年均种植面积7000hm2,占整个临沧地区陆稻面积的50%左右。但是,草害成了陆稻生产的最大障碍因子。由于陆稻草害问题突出,产投比低,播种面积逐年压缩,近两三年 Upland rice Cangyuan, Shuangjiang, Gengma, Yongde and other counties in Lincang area in southwestern Yunnan Province have a long history of planting. Especially Cangyuan County, from the 1980s to the mid-1990s, the average annual acreage 7000hm2, accounting for about 50% of the land area of ​​the entire Lincang. However, grass damage has become the biggest obstacle to the production of upland rice. Due to the prominent problems of land straw damage and the low ratio of production and investment, the sown area has been compressed year by year for nearly two or three years