Garden selection: The construction of the garden requires the selection of sandy land with abundant soil organic matter, deep soil layers, fertile soil and convenient drainage.
Variety selection: The variety of growth is required from the quality of the vegetables. The buds have good tenderness and high yield. Seedlings that are not suitable for seed breeding should not be used.
Second, the cultivation mode
Close planting and high-yield cultivation methods and orchard intercropping methods are the most common. Among them, the close-planting type is densely planted and densely planted in the protected area. The planting density of dense planting is 15-20 cm, the row spacing of 20-40 cm, the planting seedlings per mu is about 20,000, and the density of cultivated cultivation can be increased. It can be cultivated in small shed or cultivated in greenhouse. Generally, it is in mid-December. By the beginning of February, the greenhouse will be warmed up. The listing period is half a month to more than one month earlier than the open field. The earliest can be listed in the off-season of the Spring Festival. The earlier the market is listed, the higher the price and the better the benefits. Generally open field cultivation, buds can be harvested in the same year, the annual buds are 8 to 12 times, and the output per mu is more than 3,000 kg.
Orchard intercropping is mainly carried out on both sides of the fruit planting belt. It is planted in strips with multiple rows. The plant spacing of 20-30 cm in density is 6000-8000 plants per acre. The yield can reach 800 kg/mu in the same year. Up to 1500 kg, in addition, in June and December, you can also receive a season of green manure or dry the stems and leaves as animal feed. The winter stems can be used as backfill for the winter application of the orchard. Object.
Third, planting period and method
Planted from the end of the year 9 to the end of April. When the seedlings are planted, the main roots should be short-cut, the lateral roots and the fibrous roots should be properly trimmed, and the trunk of the seedlings should be kept 10-20 cm short, which can effectively increase the survival rate of the seedlings. The planting depth can bury the rhizome in the soil by 1-2 cm, which is conducive to the germination of adventitious buds in the rhizome, forming a picking belt and increasing the early yield.
Fourth, pruning technology
The thick branches and thick roots are thick and easy to sprout. The basal branches are fertile and have good tenderness. They are high-quality sprouts. Therefore, the main branches should be timely after each picking. Pressing down to 5 to 10 cm on the rhizome is conducive to the germination of basal buds. When pruning, it should be noted that it is not suitable for one-time cut in the growing season to ensure the supply of leaf photosynthetic nutrients for root growth. It can be retracted by interval or staggered, basically ensuring that the picking surface is 20-30 cm. In late August, a full-scale flat cut can be performed on the whole garden to promote the growth of autumn sprouts. The trimmed leaves are dried for use as feed or as a green manure for the orchard. When the leaves fall from December to January, make another heavy pruning, trimmed branches, and dried as an organic filling for the base fertilizer in the orchard in winter.
V. Picking and listing
The cockroach begins to sprout in the spring, and the first batch of sprouts can be picked in about 30 days. It can be harvested once every half month or so. The picking cycle is shortened to 7-10 days with increasing temperature, which is from mid-April to late May. , the fastest growing. Spring production accounts for more than 60% of annual production. The length of picking in early spring is the tender stem or tender bud of 10-20 cm in the upper part of the stem tip. After June, it enters the summer period, the growth begins to slow down, the shoot tip becomes thinner, and most of it is secondary shoot, the picking length is 10 ~ 15 cm, specifically to feel the tenderness of the hand, the abstract is carried out in batches in a timely manner. Harvest 100-200 g / put or put it in a paper bag.
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