Brief introduction of Rice varieties Huayou 128

Characteristics: the whole growth period was 126-135 days early, 118-122 days late, and plant height 109~125cm. It has strong tillering ability, erect plant type, stout stem, neat heading, green branches and good ripe color. The effective panicle is about 190000 per mu, the total grain per panicle is about 140, the seed setting rate is about 85%, and the 1000-grain weight is 23,25g. Brown rice rate 80.0%, milled rice rate 72.0%, head rice rate 41.0%, grain length 5.7mm, aspect ratio 2.6, transparency grade 2, amylose 23.8%, protein 7.7%, chalkiness rate 11.6%, rice appearance is good, but rice is hard.

Key points of cultivation techniques: ① sowing at the right time, early insertion and early tube. The early planting was sown in early March, the seedling age was 5-5.5 leaves, the late planting was sown in early July, and the seedling age was 20-25 days. ② reasonable close planting. Insert size 23 × 13 (cm) or 20 × 17 (cm), double plants. ③ base fertilizer is sufficient, manure is fast, and the field is cultivated early. N, P and K were fertilized with reasonable formula and spike fertilizer was applied skillfully to promote panicle and grain increase. ④ deep water green, shallow water to promote tillering, enough seedlings to sun field, dry and wet alternately to yellow ripe.