What are the planting techniques of precocious lotus root?

What are the planting techniques of precocious lotus root? What are the ways to make lotus roots mature precociously? Also ask experienced netizens to help introduce several key technologies that make lotus root precocious, listed below for netizens' reference. Method 1. Select excellent lotus root species: select shallow lotus root varieties with no injury and disease, good seed character, large individual, complete head, complete tail, complete terminal bud and lateral bud, stout and plump lotus root node, early maturity and high yield, and strive to be uniform in size. Method 2. Select excellent lotus root field and apply sufficient bottom fertilizer: fertile, deep mud layer, convenient drainage and irrigation, and the field planting rice last year is better. 15 days before planting lotus root, 3000 kg of rotten organic fertilizer, 150 kg of cake fertilizer, 70 kg of superphosphate and 80 kg of quicklime were applied. After fertilization, deep ploughing, fine, rake flat lotus root field, and maintain 3mur5cm deep water layer. Method 3. Planting density of early-maturing lotus root: early-maturing cultivation generally requires a higher density of lotus root, with a seed amount of 250ml / mu, a row spacing of 0.8 × 1.8m and 400 buds per mu. Method 4. Planting method of precocious lotus root: according to the above row spacing, each plant should be arranged in the shape of plum blossom between row and row, the bud head of lotus root should be inward around the edge of the field, and the direction of bud head of other rows should be the same. When planting, insert the bud head into the mud and put the tail tip out of the water. Method 5. Management method of precocious lotus root: management in the early stage of lotus root planting: this period is mainly to promote the formation and growth of floating leaves. To manage the water well, it is better to keep the water layer of 5ml / 10cm and keep the soil in a state of dilute mud. When it is sunny and hot, ventilation should be carried out in time to prevent lotus leaves from being burned. After the middle and last ten days of April, when the temperature is stable at about 20 ℃ and the arch shed is full of lotus leaves, the lotus root field water can be irrigated to 15 cm, and 1000 kg of human and animal manure and 15 kg of urea will be applied per mu. Mid-term management of lotus root planting: usually pull the grass manually in mid-late May. After pulling the grass, in order to make the lotus root evenly distributed in the field, the growth direction of the lotus whip should be adjusted in time, and the lotus whip should be prevented from growing into the ridge of the field. In this period, 20 kg of compound fertilizer and 10 kg of urea should be applied per mu. Diseases of lotus root that need to be controlled: mainly lotus leaf soft rot, which requires that the water quality be kept clean, the diseased leaves should be removed in time, and 70% methyl topiramate 800Mel 1000 times solution should be sprayed every 10 days. Harvest of precocious lotus root: precocious lotus root is generally in late June, when lotus root has three long nodes, it can be harvested in batches, and the harvest time can be about 20 days earlier than conventional cultivation. Be careful not to damage other lotus roots during harvest. Video on lotus root planting methods for weeding in lotus root field click to get more lotus root planting techniques click to get more vegetable planting techniques