Houttuynia is notoriously a controversial wild vegetable. People who like it like it. They don’t like it. In the southwest, people like this kind of wild vegetables. The most common is cold salad. It has always been There are many wilderness in the mining, but now the wild can no longer meet the market demand, so artificial cultivation has begun. In order to grow well in artificial cultivation, it is inevitable to study the wild environment of Houttuynia cordata. Artificial planting should meet the growth needs according to the growth characteristics.
valley
1. Climate
It grows in subtropical climates, especially in Yunnan, especially in the growth of Houttuynia cordata, mainly in Hunan, Hubei, Guizhou, Sichuan, Chongqing, Yunnan and other places. Like a moist, shady growing environment. It often grows in valleys, fields, and ridges.
roadside
2, temperature
It has strong adaptability to temperature, and the rhizome can germinate above 12 degrees. It grows poorly below 12 degrees below 25 degrees. When the temperature is above 35 degrees, the growth stops without death and can be short-lived. Below zero, you can get through the winter. The aboveground tissue can grow at 13 degrees, but preferably at 13 degrees between 18 degrees.
Greenhouse planting
3, humidity
The root system is shallow, the distribution is not wide, and the root hair is not much, so the water requirement is very strict. It is necessary to keep the soil moist, not to lack water, preferably 70% to 80%, and the air humidity is about 60% to 80%. Between the lack of water, drought is easy to die. Although the wild sometimes sees extreme drought and is still alive, it is wild, and artificial planting should try to provide a good environment.
illumination
4, lighting
The lighting requirements are not strict, but they prefer low light and are more resistant to yin. Because of the strong light, the corresponding temperature will rise, affecting growth, and it will easily evaporate water, make the soil dry, and the roots lose water, so the growth is not too good. it is good.
soil
5. Soil
It is best to grow loose soil. The knot is not conducive to the growth of rhizomes. If it is heavy, it will be black and rot, but it will not be black and rot, but the soil will not work well. It will lose water quickly and grow badly. It is best to grow in sandy loam soil to ensure good fertilizer and water retention. In neutral soil growth, the main nutrient supplements are nitrogen and potassium.
Growing
Houttuynia cordata mainly grows well in moist, cool, low-light, neutral sandy loam soil, so it is necessary to provide a suitable growth environment in actual cultivation, which has many advantages for yield.
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