Film-mulching cultivation techniques of Lotus Root

Lotus root belongs to the lotus family. Lotus root is slightly sweet and crisp, can be eaten raw or cooked, is one of the commonly used dishes. Lotus root is also a plant with high medicinal value, its roots, leaves, flowers and fruits are all treasures, which can be nourished and used as medicine. The powder made from lotus root can relieve diarrhea, appetizer, clear heat, nourish and prevent internal bleeding. it is a good liquid food and nourishing Jiazhen for women, children, women, weak and sick people. Lotus root is rich in vitamin C and minerals, which is effective, beneficial to the heart, promotes metabolism and prevents rough skin. It is planted in Jiangsu, Anhui, Hubei, Shandong, Henan, Hebei and other places in China. Lotus root, also known as lotus root, is also known as white stem because of its underground stem color. Chen Zhi, a Jingshi in the south of the Yangtze River, wrote the poem "Yong he": "in the unstained mud, no one knows the white stem buried in the ground." Life is red and green, and the pool is full of fragrance without waiting for the wind. " Lotus root is also an important agricultural cash crop in the planting area.

Film mulching cultivation of lotus root can increase the planting benefit of lotus root, so how should film mulching cultivation of lotus root be carried out?

Select the field. The lotus root field is choosing the paddy field with fertile soil, deep soil layer, loose structure and good water source.

Disinfect the fields. For susceptible fields (continuous stubble lotus root fields), field disinfection should be carried out during field preparation, 100-150 kg lime per mu and a thin layer of water for 3 days. Or choose pentachlorobenzene, Tuba, Luheng No.1, carbendazim and so on for chemical disinfection.

Control underground pests. 2 kg of carbofuran per mu.

Fine field preparation. Pick up the sundries such as stones and straws that affect the quality of film mulching before the whole field. The whole field is required to be soft and not rotten (the drying mud surface is soft or hard, and the mud is not refluxed), and Tian Ping is like a mirror.

Formula fertilization. Fertilizer quantity: generally apply 5000 kg of rotten farm manure per mu. 150-200 kg ternary compound fertilizer. Fertilization method: farm manure was applied before the whole field, and chemical fertilizer was applied in the whole layer before leveling the field after water withdrawal.

Specifications for compartments. After the field is finished, it is necessary to seize the opportunity. When the mud is soft and does not return, when the mud is melted and pushed easily, the enclosure and box trenches are opened according to the width of 1.5, and the standards of the depth and width of the two ditches are generally 45 cm × 36 cm and 30 cm × 26 cm respectively. Tian Da should add the middle groove, and the middle groove should be properly deepened. Under the premise of not destroying the bottom of the plough, it can reach the standard that there is water in the ditch, there is no water in the box, it is easy to drain in case of waterlogging, and it is easy to irrigate in times of drought.

Film mulching of lotus root

Variety selection. For early listing, you can choose "Wulian No. 4", "June News" and so on. Those who pursue high yield can choose "3735" and "Elian No. 4".

Requirements for planting lotus root. Standard of planting lotus root: plant lotus root with more than two fully mature lotus roots, large lotus root, prosperous buds, no injury, disease-free, fresh parent lotus root or seed lotus root as kind of lotus root. The planting lotus root should be excavated according to the daily discharge, and if it can not be drained on the same day, it should be covered with water, moisturized and intact. Disinfection of seed lotus root: wash the soil before discharging lotus root, soak it in 1000 times carbendazim solution for 10 minutes, remove and dry to make seed.

The period of draining lotus root. The time of arranging lotus root: it will be finished by the end of March. Weather choice: the lotus root should be planted into the mud when there is no wind and frost and snow melts.

Density of lotus root. Each mu of lotus root is arranged in the shape of "triangle" (plum blossom), with 2 rows per box, and the distance between rows and rows is about 80 cm. The central distance between lotus root and lotus root is adjusted according to density, which is generally about 1.5 meters.

The amount of lotus root. Emissions of 400-500 kg per mu.

The method of draining lotus root. Species of lotus root size classification, each hole row a lotus, lotus root and box parallel, lotus root head tilted to the box, lotus root head into the mud 10-12 cm, into the mud about 5 cm.

Strict film mulching. After the discharge of lotus root, clear the ditch flat box (flat as a mirror), the film mud is close to it, and the ridges of the leaking field should also be covered with film to prevent leakage. Film specifications: 0.005 mm × 1700 mm.