Nanshu 99
Nanshu 99, selected by Nanchong Agricultural Science Institute of Sichuan Province, is a kind of sweet potato for both grain and feed. Its top leaves are green with brown, mature leaves are green, all are pointed heart-shaped, medium-sized, and the veins and veins are purple. The plant type is creeping, the vine is green, the vine is medium in length, and there is no natural flowering habit. There are 3-5 basal branches, 3-5 tubers per plant, long spindles, purplish red skin and yellowish flesh. Tubers are early, neatly concentrated, easy to harvest, and the rate of large and medium potatoes is more than 90%. The seedlings emerged early and neatly, the germination was good, and the seedling growth potential was medium. The drying rate is 28.13-29.67%, the starch rate is 13.8-15.44%, 100 grams of fresh potato contains vitamin C34.3 mg, and 4.6 grams of soluble sugar. The crude protein content of rattan leaves is 2.51%. Cooked food has a strong flavor, sweet taste and less fiber. Medium resistance to black spot, drought tolerance, barren tolerance, fertilizer tolerance, storage resistance. This variety is suitable for planting spring and summer potatoes in the potato area of the Yangtze River basin.
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A Dao 7
A new late-maturing and high-yielding rice variety A Dao 7 was introduced from Liaoning Institute of Saline Land improvement and Utilization in 1992 by Nongyi Liangfan Fang, and was systematically selected for 5 consecutive years. The variety belongs to late-maturing and japonica rice type. It was sown around the end of April in Tarim River and Shajingzi reclamation area, and could be fully matured by the end of September. The whole growth period was 150-155 days. The adult plant height is about 90cm, the plant type is compact, the tillering ability is strong, the emergence, heading and maturity are neat and consistent, the plant is beautiful and healthy, the living plant is mature without premature senescence, the ear position is low, and the flowers are hidden in the leaves. Grain
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Strengthening Management of Wheat Sowing to Promote Early Development
1, intertillage warming, promote seedling growth. Intertillage and compaction before winter can loosen soil moisture, crush soil, stabilize soil, improve ground temperature, eradicate weeds, and promote early seedling development. Intertillage can be combined with winter topdressing and winter irrigation to take advantage of moisture, first suppression after intertillage, wheat seedlings tiller field can be shallow intertillage, intertillage can not hurt roots and seedlings. In early spring, intertill for 1-2 times to keep warm, raise moisture and preserve moisture, prevent cold and freeze, so as to promote seedling growth. 2. Fertilization promotes tillering, increases ears and grains. Late sowing wheat fields are mostly prepared hastily, with little or no basal fertilizer applied
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