Potatoes are aliased as artichokes, potatoes, and yam eggs. They combine the functions of food and vegetables and are known as the world's top five crops along with rice, wheat, corn, and sorghum. Potatoes have a complete nutritional composition and are easily absorbed by the body. Potatoes in France are called "underground apples," and there are "second breads" in Europe and the United States. It is cultivated throughout the country. The daily consumption of underground tubers. Both vegetables and staple foods, rich in nutrition, are people's favorite foods. Each 100g contains protein 1.7g, fat 0.3g, carbohydrate 19.6g, dietary fiber 0.3g, folic acid 21g, calcium 47mg, phosphorus 64mg, potassium 302mg, vitamin 5g, g vitamin C 16mg, vitamin E 0.34mg , Selenium 0.78? Zi g more than 20 kinds of nutrients, high nutritional value.
1 Potato consumption value
1.1 The effectiveness of food supplement Traditional medicine believes that potatoes have the effect of strengthening spleen, replenishing qi and reducing inflammation, as well as treating stomach pain, vomiting and diarrhea, mumps and scalding, and have a certain effect on indigestion. American scientists believe that eating only potatoes and milk at every meal can get all the nutrients the body needs. Potassium is high in potato and regular consumption can effectively prevent stroke.
1.2 Edible Methods There are many ways to eat potatoes, such as stewing, frying, roasting, and salad dressing. Starch from potatoes can also be used to make vermicelli, jelly, and so on.
1.3 Food should be eaten by all people. Potatoes that germinate and turn green cannot be eaten. When potatoes are eaten, they must be peeled. Solanine in potatoes is mainly found in the skin and in germinated and greenened parts. This substance can destroy red blood cells in the blood, which can cause serious problems. Brain congestion, cerebral edema and gastroenteritis.
1.4 Food Magical Prevention of Stroke: Eating 6 to 10 potatoes per week will reduce the chance of stroke. Treatment of mumps: Wash 1 of the fresh potatoes, rub the juice with vinegar, apply the juice to the affected area, and then dry. Intermittent; treatment of acute and chronic pharyngitis, fresh potato slices attached to the throat, sooner or later.
2 Early cultivation techniques
In Xiaoshan District, Hangzhou, the annual potato planting area is nearly 666hm2, mainly distributed in mountainous areas, semi-mountainous areas and other places. The planting varieties are mainly Dongnong 303; the planting season is spring and autumn sowing, and the planting is mainly in open field, and black mulch and straw are mostly used. Cover no-tillage cultivation. Due to the variety of reasons and the time to market is not enough, the selling price is not high and the economic benefit is not obvious. The progress of potato development is slow. In 2011, we introduced a new variety of Zhongshu No. 3 to carry out the demonstration of potato intercropping with a greenhouse.
2.1 Selection of bases and site preparation Planting of deep plowed soil, fertile soil, and well-drained plots is adopted. The steel pipe sheds are 6m wide, 55m long, and an area of ​​330m2. The greenhouse is divided into 4 crops, 2 crops are planted for pumpkins, and the middle 2 crops are for planting potatoes. The width is 1.7m, the width is 30cm, and the depth is 25cm.
2.2 Seed Potatoes Prepare the new Zhongshu No. 3 cultivar produced by the Chinese Academy of Agricultural Sciences. The seed potato was introduced from Heilongjiang by the Xiaoshan District Agricultural Research Institute. Choose tubers with no pests and diseases, no ulcers, no frost damage, smooth skin, and moderate size as seed potatoes. Choose about 30g, about 1cm with buds, and 60~80g of seed potatoes, which can be divided into two. Seeds cut with 50% carbendazim WP for about 5 minutes to dry, which is beneficial to disease prevention, germination, emergence, and cultivation of strong seedlings.
2.3 Planting was planted on December 2, 2010. The spacing was 38cm, plant spacing was 29cm, and 5180 plants were planted at 667m2. Seeds were planted at 205kg. After planting the shallow ditch, shading and insulation were covered with a black film, and the membrane was covered with thin soil after emergence.
2.4 fertilize one-time base fertilizer. Before planting, on November 30th, 667m2 was treated with 45kg of 45% of Yangfeng Compound Fertilizer. After planting, 50kg of plant ash was used for spreading.
2.5 timely harvesting and harvesting affect the production too early, too late will affect the listing price, quality and efficiency. Practice has shown that harvesting takes place around March 20th, with early harvesting 35 days ahead of the open season and a total fertility period of 85 days.
3 Output and Economic Benefits
667m2 net production 809kg, according to the price of 7 yuan / kg, the output value of 5663 yuan, after deducting the seeds, pesticides, fertilizers, contract fees, labor costs and other costs 2600 yuan, net profit of 3063 yuan. Planting squashes and growing vegetables, vegetables, and other vegetables from the perennial shed increased income by more than 2,000 yuan.
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