Watercress can be eaten.
Watercress is a high-yield wild aquatic vegetables, with young stems and petioles fried, its flavor is delicious, watercress is in full bloom before and after the Spring Festival, in the winter shortage of vegetables, in the annual supply of vegetables has a greater practical value.
In addition, the watercress grass folk also for medicinal purposes, its taste sweet and pungent, cool, into the lungs, stomach meridian, has a heat detoxification, moistening the lungs and dampness effect on fever and colds, vomiting and diarrhea, urinary tract infections, leakage, edema, hypertension, etc., have auxiliary therapeutic effect.
Expanded Information:
Watercress is a plant that is used for the production of watercress. p>Watercress propagation methods
Watercress is generally asexual propagation. carried out in late August - mid-September. Collect old mature seed stems 15 days before planting. The mother plant is first cut from the base, straightened, bundled, cut into a diameter of 15 centimeters, the length of about 20-30 centimeters of the small handles, and then the small handles staggered stacking.
Height of 50-80 centimeters is appropriate. Covered with a layer of straw, watered with water, and then watered every morning, every 2 days turn the pile 1 time, up and down to switch re-stacking. 5-7 days later, the old stem nodes grow about 5 cm of new shoots, and new roots, can be planted into the field.
Split planting time: the Yangtze River Basin in August-September, South China in September-February of the following year, North China after the final frost.
Baidu Encyclopedia - Watercress