1. Site selection: The lotus root pond should be located in the villages, wasteland, abandoned houses, abandoned ponds, saline-alkali land, waterlogged depressions, etc. with sufficient sunlight and no shade of trees. 2. Material preparation: 5 tons of lime, 5 tons of cement, 30 tons of sand, 8 silk film more than 800 square meters, 50 cm×70 cm, 5 cm thick prefabricated blocks are needed for each acre lotus root pond, and the total cost per acre is 4000 ~5000 yuan. Three, build a pool 1. Digging the pool: using an excavator or manually, the depth of the pool is 60 cm, and the slope of the pool wall is 60 degrees. 2. Hammer bottom smashing: Sprinkle lime into the bottom of the pool, use a rotary tiller to rotate 2 to 3 times, 20 cm deep, after the soil and ash are evenly mixed, level and compact the bottom of the pool with machinery, and use 3:7 ash The pool wall is compacted and tamped. 3. Film laying: After hammering the bottom of the helper, use a film to pave the bottom and wall of the pool. 4. Bottom laying: After laying the film, smooth it with 2 to 3 cm thick concrete. 5. Vertical sloping board: stand the prepared sloping board on the wall of the pool, and wipe the seams with cement, so that the lotus root pond is completed. Fourth, soil preparation and fertilization 1. Paving straw: Before planting lotus roots, spread wheat straw, corn straw or weeds into the pond with a thickness of 30-40 cm. Each mu requires 1.25 to 15,000 kilograms of crop straw, which is about 25 mu. 2. Fertilization: Before draining the lotus root, now mix 5000 kg of soil and miscellaneous fertilizers, 75 kg of diammonium phosphate, 50 kg of potassium sulfate, and 20 kg of urea, mix them with the cover soil and cover them evenly on the straw, with a thickness of about 12 cm. Five, selection and planting 1. Choose lotus root: For shallow water lotus root, choose early-maturing varieties with smaller lotus root and leaves. Seed lotus roots are generally dug up before planting. Choose whole lotus roots that meet the characteristics of this variety and have seed lotus roots as lotus root seeds. The seed lotus roots must grow in the same direction to make the lotus whip regularly elongate. Be careful not to damage the top buds when digging lotus roots. Seed lotus roots are generally cut off half an inch after the second section. Do not break them by hand to prevent muddy water from pouring into the lotus root holes and causing rotten seeds. After digging the lotus roots, spray 400 to 500 times the 50% carbendazim liquid to the seed lotus roots, and use them for one day later to prevent spoilage. 2. Row lotus roots: row lotus roots from Qingming to Guyu, don't be too late, use about 300 kg lotus roots per acre, row spacing 150-200 cm, plant spacing 60-100 cm. The method of rowing lotus roots is to arrange lotus roots according to the specified row spacing. Generally, the lotus root heads are buried 12-15 cm deep in the straw, and then the knots are slightly tilted on the water surface to use sunlight to increase the temperature and promote germination. There are many ways to arrange lotus roots, some are facing one direction, and some are arranged in rows. Disclaimer: Some articles on this website are transferred from the Internet. If the legal rights of a third party are involved, please inform this website for processing. phone
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