Potatoes have high nutritional value and medicinal value, and they can be used as both food and vegetables. Some readers have called to ask: If rice fields are used in winter, straw, mulching, or greenhouses are used to grow potatoes. What are the benefits?
Liao Huajun, director of the Alien Potato Research Center of the Provincial Academy of Agricultural Sciences, told reporters that in the selection of varieties, early and middle-maturing potato varieties with fast potato tubers, fast tuber enlargement, high yield, good quality, and disease resistance, such as Feiwuriei, can be used. Zhongshu No. 3, Zhongshu No. 5, Zhongshu No. 8 and so on. The best sowing time for rice and potato is in the middle or late January of each year, so that the morning market time can be mentioned.
If the farmers use the rice straw cover pattern, sowing or slashing of the seedling hoe and ditch can be done in the field before sowing. The width is 120 centimeters wide and the width 25 centimeters wide. Each row is sown with four rows. Seed potatoes are no less than 15 centimeters from the side of the plant and 25 centimeters away from the plant. After the seed potatoes are set well, the sorghum covers the 8-10 cm thick straw uniformly, and then the ditch is opened. The ditch is evenly covered with the sowing stalks, and the ditch depth is 20-25 cm.
Straw-covered cultivated potatoes do not require cultivating and earth-cultivation. In the process of emergence of the potato, extremely few seedlings may be difficult to emerge due to the barrier of rice straw, and field seedlings are required to inspect seedlings during the emergence period to assist seedling emergence. Before emergence, the soil is always kept moist (about 60% of the field water capacity). Water should be sprayed in time when drought is encountered, or irrigation can be performed through the drainage ditch to promote sprinkler irrigation. Proper watering in the middle of the growth period to keep the soil moist (70%-80% of field capacity). In the late growth stage, the straw begins to rot and its moisture retention increases. When encountering continuous rainy weather, it is necessary to pay attention to drainage to prevent waterlogging and the humidity of the straw that is close to the soil surface from being too high. Otherwise, the growth of the straw is affected, and the tubers are also easily rotted.
In the application of fertilizers, planting potato base fertilizers should be dominated by organic fertilizers supplemented by inorganic fertilizers, and potato fertilizers generally account for 80% of total fertilizers. Combined application of 3,000 kg organic fertilizer per acre, nitrogen, phosphorus, potassium ternary compound fertilizer (15-10-20 or 15-12-18) 70-80 kg, 1.2 kg of zinc sulfate, 1 kg of boric acid. When organic manure is used for cultivation, part of the compound fertilizer is combined with the cultivated land and plowed into the tillage layer, and a part of the compound fertilizer is concentrated in the ditch before the sowing. Top dressing is dominated by inorganic fertilizers, which accounts for 20% of total fertilization. Generally, 15 kg of urea and 16 kg of potassium sulfate are applied per acre.
When most potato stems and leaves turn from green to yellow and the tubers mature, it is the best harvest time. Farmers can harvest ahead of time according to the yield and market price, and mention the market in advance.
Hormone:
A chemical substance produced in the body that controls and regulates the activity of certain cells or organs. Many hormones are secreted by special glands, such as thyroid hormone produced by the thyroid gland. Hormones are essential for every activity of life, including the processes of digestion, metabolism, growth, reproduction, and mood control. Many hormones, such as neurotransmitters, are active in more than one physical process.
Endocrine:
Pertaining to hormones and the glands that make and secrete them into the bloodstream through which they travel to affect distant organs. The endocrine sites include the hypothalamus, pituitary gland, pineal gland, thyroid, parathyroids, heart (which makes atrial-natriuretic peptide), the stomach and intestines, islets of Langerhans in the pancreas, the adrenal glands, the kidney (which makes renin, erythropoietin, and calcitriol), fat cells (which make leptin). the testes, the ovarian follicle (estrogens) and the corpus luteum in the ovary). Endocrine is as opposed to exocrine. (The exocrine glands include the salivary glands, sweat glands and glands within the gastrointestinal tract.)
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