“赤谷四号”是赤峰市农科所育成,该品种生育期113天,在2500℃—3100℃积温区均能良好成熟。株高140～150厘米,干粒重3.02克。绿苗,穗纺锤形,穗粗,刺毛中长,旱地也可种植。抗粟瘟病,适应性广。经中国农科院对米质的 “Red Valley No. 4” is bred by Chifeng Agricultural Institute, the variety of growth period of 113 days, 2500 ℃ -3100 ℃ accumulated temperature zone can be well-matured. Plant height of 140 to 150 cm, dry weight 3.02 grams. Green seedlings, spindles spindle, coarse ear, long hair in the barren, dry land can also be planted. Resistance to pestilegus, wide adaptability. After the Chinese Academy of Agricultural Sciences on the quality of rice