Spring is a good season for growing lotus roots. It is necessary to apply scientific fertilization during planting so that the lotus can thrive. Fertilizer base fertilizer can supply the nutrient needed for the whole growth period of lotus root, and has the function of improving soil and fertility. The amount of basal fertilizer in Putian should be determined based on soil fat, and most of the cultivars choose fertile soil, rich organic matter, and convenient irrigation and drainage. In combination with site preparation, the decomposed farmyard fertilizer is generally applied in an amount of 2500-3000 kg and general-purpose compound fertilizer 60-80. Kilograms, and apply calcium, boron, zinc and other fertilizers, then deep plowing 20-30 centimeters, plough flat, put into 3-5 cm shallow water for use. Reasonable topdressing lotus root 2-3 times for the whole growth period, the first time when the plant has 1-2 leaves (25-30 days after planting), 15 kg per mu urea or maturity farmyard fertilizer 1500-2000 Kg, potassium sulphate 7.5-10 kilograms; the second time in the 5-6 leaves (40-50 days after planting), high nitrogen and potassium fertilizer 20-25 kg per acre; the third time in the termination of leaves When it appears, it is applied. At this time, it begins to scab, applying 15-20 kilograms of high-potassium compound fertilizer per acre or about 2000 kilograms of decomposed manure and livestock manure. Select sunny and windless weather during fertilization. In the early morning or early evening, put shallow water before each fertilization, let the fertilizer dissolve into the water, and then fertilize the water to the original depth 2 days after fertilization. Spray water after flushing to flush the lotus leaf. For Sham Shui Po, it's best to use a fertilizer and sludge to prevent fertilizer from floating. Be careful not to step on the wounded whip when fertilizing, so as not to affect the crusting. Illex Squid,argentine shortfin squid, southern shortfin squid, northern shortfin squid Zhoushan Boda Aquatic Products Co.,Ltd , https://www.baida-aquatic.com