1. Substrate selection: Purple back vegetables are suitable for growing in moist and fertile deep soil rich in organic matter. It is recommended to mix garden soil, saprophytic soil, organic fertilizer and sand for planting.
2. Temperature management: Purple back vegetables like to grow in warm environment, and the best growth temperature is from 21 ℃ to 29 ℃. It can't bear the cold. If the temperature is lower than 9 ℃ in winter, it may die. Summer does not like high temperature and strong light, too high temperature will make its leaves lose water
3. Water management: Purple back vegetables need a lot of water when they grow. They should be mixed with organic fertilizer and watered once a week after the seedlings are planted. Usually, water once a day. In summer, water the soil according to its dry and wet conditions. The soil is slightly wet.
4. Nutrient management: about seven days after the seedling is planted, water the mixture of human and animal manure once, and then water the mixture of organic fertilizer and urea once for each picking. At the same time, it can also spread the right amount of plant ash evenly around the purple back vegetables, which can provide nutrients for it.
1. Cutting: the best season for cutting is in summer and autumn every year. Before cutting, first level the soil to keep the soil in a loose state, then cut about 9 cm of cuttings from the plant, cut the big leaves and insert about 6 cm into the soil.
2. Winter: Purple back vegetables are not cold resistant and grow slowly when the temperature is lower than 9 ℃. Before winter comes, it is necessary to take heat preservation measures for purple back vegetables. It can cover soil, increase the thickness of soil layer, or use bamboo pole and plastic film to form a greenhouse for heat preservation.
1. Moths: Purple back vegetables like to grow in a warm and watery environment, which also provides convenient conditions for the hatching and growth of moths. Can use methamidophos solution to mix with water and spray evenly on the surface of purple back vegetables. It can be solved by spraying several times depending on the situation.
2. Slow growth: Purple back vegetables have a strong vitality, and in general, there will be no big problems in their growth. It needs to grow in a warm environment, and the slow growth may be caused by the cold surrounding environment, which can be alleviated by means of greenhouse warming or soil covering warming.
1. Whether it can be exposed: it can be exposed. Purple back vegetables can be planted in the wet land, pay attention to heat preservation in winter, especially in the north of winter, heat preservation measures must be done.
2. Whether it can rain: it can rain. Purple back vegetables like a humid growth environment, and growth needs a lot of water, appropriate rain can promote its growth.
