Spinach contains protein, fat, sugar, potassium, calcium, phosphorus, iron, vitamin A, vitamin B1, vitamin B2, niacin, vitamin C, carotene, folic acid, vitamin D, vitamin E and phospholipids, oxalic acid and other nutrients. Among them, the content of carotene is high, and the vitamin K content is the highest among green leaf plants. Regular consumption of spinach can effectively relieve habitual constipation, promote the secretion of gastric juice and pancreatic juice, and facilitate the decomposition of food.
Planting skills
Sunshine: Adaptability, low temperature resistance, sufficient water, thick meat when growing vigorously, high yield and good quality. Like ample light, but avoid glare, summer and autumn should be properly shaded around noon.
Temperature: It is more resistant to cold. Adult plants can safely overwinter at the lowest temperature of -10 degrees Celsius in winter. The optimum temperature for growth period is 15~20 degrees Celsius, and growth is slower than 25 degrees Celsius.
Selection of pots: Use a 40~50 cm plastic basin or sink.
Soil: Adaptable to soil, all kinds of soil are suitable for planting spinach.
Watering: Spinach prefers water, and it grows best under the conditions of soil water content 70%~80% and air humidity 80%~90%.
Fertilization: Fertilizers requiring NPK, but mainly nitrogen.
Daily maintenance
Spinach seeds are poor in water permeability, so it is not advisable to use direct seeds for direct sowing. Generally, soak it in cold water for 12~24 hours, then wrap it in a damp cloth, put it in a cool place, and germination for 3~5 days.
Pour the bottom water before planting, spread the seeds on the surface of the soil, then comb the topsoil, let the seeds fall into the soil, and then cover a layer of 2 cm thick fine soil.
When the seedlings grow 1 or 2 leaves, they must be seedlings and weeds are removed. At this time, if the temperature is too high, water can be poured in an appropriate amount to keep the soil moist.
When the seedlings grow to 4~5 leaves, they enter the growing season, and they can apply more fertilizer, but stop fertilizing 15 days before harvesting. It usually takes 35 to 40 days from sowing to harvesting.
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