I. Variety characteristics The variety has a compact plant type, stout sturdy and tough, spring planting height 1.90-2.00 meters, summer planting 1.71-.90 meters, similar to Su Yujing No. 1; planting density at 3500 to 3800 plants/mu, its double The panicle rate is 88%, the first ear is 15-17 cm long, and the second ear is 13-14 cm long. 14-16 rows per row, 36-40 rows per row, pink filaments, conical cones, average ear 4.9cm thick, small fruit axis, ear rows neat, uniform grain, pure white grains, good commercial property, no Bald tip. High temperature resistance in summer, low temperature resistance in winter, high resistance to large and small spot disease. Second, the cultivation points 1, pay attention to isolation and other types of corn cultivation, so as not to affect the flavor of consumption. 2, should be in the soil more than 5cm soil temperature stable above 12 °C when sowing, to mention the morning city, must use plastic film, arch cover measures, autumn no later than Liqiu. Nursery transplanting 3-4 leaves is appropriate. Generally in the spring in Zhejiang province, the harvest will be harvested until spring harvest is harvested for 85-90 days, and autumn harvest is about 70 days. 3. It is recommended that the planting density be 3,500-3,800 plants per mu, apply enough base fertilizer and apply heavy ear fertilizer early. The application of nitrogen fertilizers is to pay attention to “pre-promoting, middle-control, and post-heavyâ€, ie, the promotion of seedling fertilizer, control of jointing fertilizer, and application of panicle fertilizer. 4. It is recommended to use low-toxicity, short-lived pyrethroids, or biological pesticides such as Bt emulsions to prevent corn borer, and it is strictly prohibited to use residual and highly toxic pesticides. China Agricultural Network Editor
