Master the planting time and methods for red choy sum to ensure plenty of flower stalks
During the Spring Festival, besides big fish and meat, red choy sum is also indispensable on every household's dining table. It is a specialty vegetable of our country. And if you master the planting time and methods well, you can ensure plenty of flower stalks, and the quality and yield will also be higher.
I. Basic introduction to red choy sum
1. The origin of red choy sum
Red choy sum is a specialty vegetable native to our country. It is a biennial or annual herbaceous plant, also called purple choy sum or red oilseed choy sum. It is mainly distributed in the Yangtze River basin of our country, among which the red choy sum cultivated in Wuchang, Hubei and Chengdu, Sichuan Province is the most famous.
2. The value of red choy sum
Red choy sum contains various nutrients such as calcium, iron, phosphorus and vitamins. It is not only delicious but also brightly colored, with a crisp and tender texture. Regular consumption can help improve the body's disease resistance, relieve dual deficiency of qi and blood, stop bleeding and relieve pain, and fade dark spots and nourish the skin. It can be said to be an excellent choice to accompany a meal.
3. Precautions for eating red choy sum
The general population can eat red choy sum, but people suffering from gastritis, dysentery, enteritis, peptic ulcers, and respiratory system diseases should not eat it. In addition, people with qi deficiency constitution, qi stagnation constitution, yang deficiency constitution, and blood stasis constitution should also avoid eating red choy sum.
II. Planting time and methods for red choy sum
Red choy sum is not difficult to plant, but the quality grown with different sowing times and planting management methods is different. Below, the editor of Tuliu.com has compiled the planting time and methods for red choy sum as follows. If you master them well, you can also achieve plenty of flower stalks.
(1) Planting time for red choy sum
Red choy sum is generally sown from July to late September, and the best sowing period is in late August (around the End of Heat). Of course, the climate conditions in different places are different, and the weather conditions each year are also different, so everyone should choose according to the actual situation at the time when planting. In addition, the transplanting time for red choy sum is from late August to late September.
(2) Planting methods for red choy sum
1. For planting red choy sum, choose sandy soil with good drainage, good water permeability, and a water source. Before sowing, first carry out deep plowing and land preparation, then apply farmyard manure and compound fertilizer as the base fertilizer for red choy sum.
2. Before sowing red choy sum, it is best to first water the seedbed once, then spread fine soil after watering, then sprinkle the seeds on the seedbed and cover them well. A covering thickness of about 1 cm is enough. Finally, cover with plastic film and wait for the seedlings to emerge.
3. After the red choy sum seedlings emerge, uncover the plastic film to ventilate and water. The amount of watering depends on whether the soil is dry or wet. When the weather is bad, you can cover the plastic film again. When the seedlings grow 4-5 true leaves, they can be transplanted. We should take the seedlings from the seedbed together with the seedling soil and plant them in the field, with a spacing of 20-30 cm per plant. This spacing is most suitable for the growth of red choy sum.
4. During the growth period of red choy sum, urea should be used for topdressing. The application amount is determined according to the size of the plot and the growth of the choy sum. The growth of choy sum cannot lack water, so it must be watered in time. When the weather is hot, you can water more. But remember to drain when there is a lot of rain.
5. During the growth period of red choy sum, weed in time, and also prevent and control black rot, downy mildew, aphids, whiteflies, leafhoppers and other diseases and insect pests. Use different pesticides for different situations.
The above is all the content introduced by the editor of Tuliu.com about the planting time and methods of red choy sum. When planting, everyone should preferably choose varieties with high yield and strong disease resistance that are most suitable for local planting, so that there is more guarantee.