Baibai is one of the vegetables that people often eat in summer and autumn. With the continuous promotion of new varieties of white peony, it is available from the beginning of summer to late autumn. The production season is often oversupply. The only exception is the shortage of supply in the spring. In recent years, the local use of mulching film to cover planting has gradually increased the area, and the harvest period can be one month ahead of open cultivation. In general, per 667 square meters of mulching planting can produce more than 1,500 kilograms of white vinegar, with an output value of 4500 yuan. The main technologies are now described as follows:
1. Selecting good varieties: It is required to select varieties with good quality, short growth period, and relatively short plants, and the main varieties are Zhejiang University and June.
2, flat field: Although the white water can not leave open water, but it can not flood the top. Therefore, we should choose a land with sufficient water supply and convenient irrigation and drainage; and the land before transplanting should be well-formed, deep-rooted and cleared of weeds.
3, timely transplanting: Transplanting work is generally completed before the fall. Row spacing 1.0 meters, spacing 0.5 meters, after transplanting the field to prevent the water layer is too thin.
4. Timely coverage: In early January, timely coverage should be made. Take a small arch shed for every two lines and cover with a 2 meter wide seedling mulch. Generally, 667 square meters use 12.5 kilograms of film and 150 kilograms of bamboo. After the film is still kept more than 20 cm water layer, so that white and tender. Film removal time is in late March. During the covering period, it is generally not to remove membrane ventilation, but in case of special high temperature weather, two ventilations are required to avoid burning the plants at high temperatures.
5, Shizujifei: Cover film before 667 square meters of organic fertilizer 1500 kilograms, remove the film after a reminder to apply fertilizer.
6. Control of locusts: Aphids are the main pests that are harmful to pupa. Once invaded, the quality is affected. Therefore, after the film is removed, it should be immediately controlled by insecticides. Afterwards, it should be prevented once every 7-10 days.
7, timely harvest: in late April, after the white and white dew, we must harvest in time to ensure the white and fresh.
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