Spring Potato Variety-Yunshu 201 (1)
Characteristics and characteristics: bred by Yunnan Academy of Agricultural Sciences; approved by Yunnan Academy of Agricultural Sciences in 2004; growth period 100 to 110 days, middle and late maturity; growth period equivalent to "Zhongdian Hong" and "Mira" and 13 to 19 days earlier than "Hezuo 88"; long oval potato shape, rough epidermis, shallow bud eyes, yellow flesh, short dormancy period; commercial potato rate 78.3%; resistance to late blight in plant Dry matter content 28.6%, starch content 22.30%, protein content 2.24%, reducing sugar content 0.13%; average yield per mu 2559 kg; starch yield 450kg per mu
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Processing Technology of crude Potato starch
Technological process potato → cleaning → grinding → potato dregs separation → precipitation → drying → crude starch operation points (1) Grinding: select potatoes with more starch, pick out rotten potatoes and diseased potatoes, put them into the washing tank, add clean water and stir with sticks to clean the potato pieces. The washed potato cubes are put into the grinder, grind with water, grind into starch pulp and flow into the receiving tank. (2) Separation: sift out the potato dregs in the starch paste with a coarse and fine sieve, or put the starch paste into a cloth bag, fasten the mouth of the bag and put it into the trough.
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Spring sowing cultivation techniques of Potato
Potato has the characteristics of high yield, early maturity, multi-use and wide distribution. in recent years, the planting area in spring in our region has expanded year by year. 1. Potato preparation likes sand loam and loam. Can be deep ploughing before winter, watering winter water, 2500-3000 kg per mu of organic fertilizer, leveling the land before sowing, watering enough soil moisture. Through the method of shallow ploughing and fertilization, 25 kg potassium sulfate, 25 kg diammonium and 15 kg urea were sprinkled on the surface per mu, and the rotary tillage rake was used to enter the soil. When ridging, the ridge width is 60 cm, the ridge height is 20 cm 25 cm, and the ridge spacing is 100 cm.
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