Key points of cultivation of Euryale seed

(1) the full and disease-free seeds with the characteristics of this variety were selected and sowed. In early April, the seeds were soaked in water to soak the seeds in the sun outside during the day and indoors at night, keeping the temperature above 15 ℃ and changing water frequently. After about 8rel 10 days, most of the seeds could be sown. Choose in the middle of the paddy field, dig 2 meters square pool with a depth of 17 centimeters, level the bottom of the pool and fill it with water. after the water is clarified, gently put down the seeds and plant 5 kilograms in each pool.

(2) after transplanting and planting, the seedlings should be transferred 40 days after transplanting and planting. When the seedlings have 3 true leaves, the row spacing of the seedlings is 50 ~ 70 cm. In order to plant early, it is not appropriate to plant too deep and keep the water layer 1013 cm. When Euryale fruit has 5 round leaves, it is planted, the hole distance is 1.8 mi 2 m square, and the precocious species are planted about 150 per mu. The late-maturing seeds were planted with 100 per mu and 120 plants. Use the prepared mud to adhere to the root for colonization, or apply base fertilizer in the hole.

(3) after the field management planting, the living trees were alive for 10 days, and the water layer was maintained at 7mur10cm, and then gradually deepened, and the water layer was maintained at 23mur33cm. The first half of the month after planting began to top up fertilizer, and from late June to late July, it was easy to breed weeds. Weeding began 10 days after planting, and weeding was done four times before and after planting. By the time of closure in early August, weeds were involved in the mud as fertilizer.

(4) the fruit of early-maturing varieties matured 70 days after planting, and the harvest began from late August to early September, and the late-maturing varieties matured about 80 days after planting. Harvest began in early September, the harvest period was in late September, and the harvest ended in October. In the first ten days of September, the new leaves begin to grow slowly, the leaf diameter is less than 90 cm, the leaf surface is smooth, and when double flowers appear on the water surface, it is a sign that the early fruit is ripe and can be harvested. From early September to early October, the fruits were harvested in batches, generally divided into 7-8 times. A plant can harvest 20 fruits of 18ml, of which 13 are fully mature. Yield 25kg of Euryale seeds per mu.

(5) after the seed was harvested twice in the early stage, the plants and fruits with many fruits, large fruits, many green leaves and smooth leaves were selected in the field, and a small piece of sepals at the top of the fruit was removed as a mark. In the fourth harvest, the seeds were stripped out to eliminate tender seeds, removed from the aril, loaded into a bag, buried in 30 cm under the silt on the water surface, and taken out to accelerate germination and sow in the second year.