1. Characteristics: plant height 270cm, ear position 103cm, dark green leaves, compact plant type, tubular ear, ear length 22-25cm, rows per ear 20-22, 100-grain weight 40.5g ... yellow, horse-toothed, red axis. High resistance to leaf spot, head smut and rough dwarf disease, lodging resistance, drought resistance and mature living stems. Generally, the yield per mu is 860 kg, which has the potential of increasing production above 1000 kg. The active accumulated temperature ≥ 10℃ is 2800℃, the growth period in Liaoning area is 128- 130 days, and the growth period in the summer sowing area of Huanghuaihai is 95- 100 days, with a plant height of 250 cm. ?
Cultivation points: Suitable for planting on flat land and sloping land with medium fertility. 2800-3300 seedlings were cleared. 55-60 kilograms of special corn fertilizer per mu, applied at one time; Or apply 2000 kilograms of farm manure per mu, diammonium seed fertilizer 15 kilograms per mu, 5 kilograms of potash fertilizer per mu and 30 kilograms of urea per mu during the big bell mouth period. ?
3. Adaptation areas: Liaoning, Jilin, Inner Mongolia, Shandong, Shanxi, Henan, Hebei, Anhui, Sichuan, Hubei and other provinces. Zheng Dan 958, Dan 2 109, Nongda 108, Dongdan 60, Shenyu 17, Yuyu 22 and other varieties can be planted in any suitable area. ?