Everyone has a psychology that the nutritional value of wild vegetables will be more abundant, and ordinary wild vegetables have high medicinal value and health care function besides high edible value, so they are deeply loved by people, and the demand for wild vegetables in the market is often in short supply. In summer and autumn, the potherb greenhouse can adopt the form of cold shed and rely on natural warming. In winter and spring, in order to ensure the growth of wild vegetables, it is necessary to increase artificial heating greenhouses. At present, the main plants planted in greenhouses are Laopona and thorn buds. During the Spring Festival, women and children are all over 20 yuan a catty, and the buds are over 40 yuan a catty. It can be said that the planting income is still considerable, and the sales are relatively extensive, and there is no shortage of sales.
Transplanting into a greenhouse will change the growing environment. Natural growth environment, coupled with scientific management, mostly grow well. It can also be sold out of season, which greatly improves the economic benefits. Because it conforms to the consumption tide of returning to nature, which is quietly rising in the current cities. Wild vegetables can be directly classified as green pollution-free vegetables, which not only caters to people's early adopters' psychology, but also meets people's requirements for eating "safe vegetables". However, we should pay attention to the quality of the soil, do the work on the soil in advance before sowing, and add an appropriate amount of bacterial fertilizer to better improve the disease and insect resistance. Pay attention to the spacing when sowing, not too close. There are many kinds of wild vegetables, but Toona sinensis, shepherd's purse and purslane are the most popular.