The oiled wheat dish is a green leafy vegetable that has swept the Shanghai market in recent years. It is a variant of lettuce, which has two kinds of sharp leaves and garden leaves. The color of green wheat leaves is green, and the stems and leaves can be eaten. After frying, they still retain crisp green fragrance. They can also be used as soups, which are favored by the market.
There are three characteristics of oil-vegetable cultivation, the first is that the growth environment is not strict, the growth period is short, and the cultivation is easy. No matter whether it is a pipe shed or open field, it can be cultivated. Second, pests are light and pesticides are rarely used. It is a safe and healthy vegetable. Third, Shanghai will use plastic pipe sheds and other protective facilities and shade nets to cover its annual production and annual listing.
1, sowing nursery. The autumn and winter cultivation of oil-grained vegetables is conducted and the seedlings are sown from October to December. In October, it was possible to plant seedlings in open fields, and from November to December, seedlings were planted in protective plots such as pipe sheds. The tube shed should be applied with basal fertilizer and plowed and ploughed. The 6-meter-wide tube shed should be 2 or 3 inches. The seed bed should be sown with fine soil, the footing water should be poured every other day, and then sowing should be done. The seeds should be sown at 150 grams per minute. It can be used to grow about 3 mu in Daejeon. After sowing, it is sprinkled with a layer of nutritious soil to cover the seeds, and then a layer of plastic film or plastic film is flattened. Immediately after emergence, the flat-covered film was peeled off, and management was strengthened to ensure good ventilation and warmth.
2, colonization. Oil and wheat vegetables are transplanted. The phytosanedium should be applied to the phytofertilizer field, and the general merchandise organic fertilizer (including n, p2o5, k2o ≥6, organic matter 40% or more) 200-250 kg, ammonium bicarbonate 50-60 kg, to make a 1.5 m even gully ditch. There are five to six true leaves of oil and wheat dish that can be planted. The spacing between rows is about 20cm. In the middle of October-November, the oil and vegetable can still be transplanted on the ground, but from late November to December due to the winter, transplanting is required to cover the plastic. Inside the pipe shed to prevent frost. The management method of planting is basically the same as that of lettuce. It is necessary to strengthen the management of fertilizer and water. It is necessary to maintain the water for eutrophication, and to prevent waterlogging caused by excessive humidity, and to prevent and control pests and diseases. Diseases of oil-vegetables are mainly downy mildew, which can be controlled by carbendazim and glucomannan. The pests are mainly aphids and can be controlled by imidacloprid. After about 30-35 days after the planting of autumn and winter oil and wheat vegetables, the yield per mu is about 1000-1500. kg.
3, harvest and market. Under the conditions of market economy, oil and wheat dishes are harvested and marketed depending on the price. When it is difficult to sell vegetables, they can be marketed in small quantities. Normal plant heights of about 25cm can be harvested for listing. When the price of vegetables is good, some of them are on the market and the plants can be kept at 30-35cm to increase the yield and increase the income. Because of the short time, little chemical industry, light pests and diseases, the economic benefits are relatively high.
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