Four planting and cultivation techniques of "Dragon in Water" Ivory vegetable

Ivory vegetable is also known as dragon in the water, white lotus ginseng, which shows people's love for ivory vegetable. Ivory dishes are extremely delicious, refreshing and delicious, whether they make soup or stir-fry. With the increase of market demand, the planting prospect of ivory vegetable is getting better and better, and there are more and more growers. The following editor will briefly introduce the key points of ivory vegetable cultivation techniques.

1. Selection of site, soil quality and water source

Vegetable gardens in rural and urban areas, fertile rice fields, lakeside river pond shoals or swampy mud fields can all be cultivated. It is necessary to maintain water all the year round, with a depth of more than 10 to 20 centimeters. Dry land cannot be planted in saline-alkali land. Planting in greenhouse can be cultivated with shallow water as long as it can keep spraying water all the year round.

2. Cultivation methods and next planting season arrangement.

Ivory vegetable has a wide range of adaptation. It can be planted when the temperature is above 5 ℃, and the best temperature is 25-28 ℃. It can be introduced and cultivated all the year round. Before planting, the land should be leveled and soaked in water, and then fully turned and raked once or twice, and put enough base fertilizer. When planting, insert the seedling root into the mud, the depth is about 15 cm, its plant, row spacing requirements are: 1 m × 1 m, 660 seedlings per mu. After planting once per mu, it can be harvested continuously for 5 to 6 years. If you expand sales as seedlings, you can let them grow at will, and you can collect seedlings in batches and ship them to various places for sale.

3. Fertilization

Ivory vegetable has strong fertilizer tolerance, and general nitrogen, phosphorus and potassium fertilizers are suitable, but in order to maintain its natural green quality, it should be mainly organic fertilizer, which can be applied after full retting of pig, cow, human and horse manure, 2000kg to 3000 kg per mu. After harvest, topdressing every 10 to 15 days to ensure its exuberant growth.

4. Harvesting and processing

Under the condition of suitable temperature, it can be harvested about 15-20 days after planting, once every 5-10 days in spring and summer, and once every 15-20 days in winter. Ivory vegetables are harvested and eaten in lotus-shaped tubers, which crisscross and grow in the mud fields. When harvesting, personnel should be light hands and feet, can not step on or break new buds, along the root line one by one from inside to outside, from top to bottom slowly grope for harvest. After harvesting, ivory vegetables should be washed and then sorted out and sold.

If it can not be sold out on the same day, fresh-keeping bags can be used for packaging and shipping to various places. Under the condition of 4-5 ℃, it can be preserved for 5-10 days without deterioration. If it can be packed in vacuum, the shelf life can be up to 20-30 days. In addition, ivory vegetables can also be deeply processed into high-grade cans, sweet and sour preserved fruits, dried vegetables and other transportation and marketing at home and abroad to increase foreign exchange earnings.