Lettuce may have been eaten by many people. I think everyone is very familiar and it is very refreshing to eat. However, our common lettuce cultivation is based on green leaf lettuce. But the purple leaf lettuce, have you ever planted it?
The grower Lao Tang, engaged in the cultivation of vegetables for most of his life, he planted the lettuce of purple leaves. Compared with green leaf lettuce, there are many differences besides being different in color.
Compared with green leaf lettuce, the planted purple leaf lettuce is rich in nutrients, it is rich in anthocyanins, carotene, vitamin E, vitamin B, and contains many mineral elements such as phosphorus, calcium, potassium, magnesium, copper, iron and zinc. Selenium and so on. This lettuce has good anti-cancer and anti-aging effects on the human body. Therefore, the price of purple leaf lettuce is much higher than that of green leaf lettuce. The price of land is generally about 10 yuan per kilogram.
Growing lettuce plots
Planting purple leaf lettuce, we must choose soil fertile and loose, like to grow in the environment of 22 ° C, keep the soil moist, not drought-tolerant. Seedlings are first carried out, and the seeds are germinated after being soaked in warm water. After the small shoots are exposed, they are planted in the seedbed, and when they are 3 leaves, they are transplanted. Before transplanting, combined with land preparation, apply 3000 kg of organic fertilizer per acre. Generally, about 4,000 plants per mu can be planted, and the output per mu is about 2,000 kg.
The growers should be watered in time after planting. Keep the soil moist during planting and growing. Because the growth cycle of lettuce is short and the amount of fertilizer is large, the grower should carry out top dressing once during the growth period. Generally, 100 kg of decomposed chicken manure and 20 kg of organic fertilizer are applied per mu.
Generally, the cultivation of purple leaf lettuce, the main aphids and soft rot diseases, so the growers should observe and control early, it will be fine. It is easy to grow vegetables and it is difficult to sell vegetables. Therefore, farmers must be careful to plant, and do not blindly follow the trend.
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