Dry lotus root should be introduced from June 65438+ 10 to the end of June 165438+ 10 (it can also be introduced in the spring of the following year, but the provenance is extremely scarce), and it is suitable to be planted between the period of fright and Qingming, and it is best to plant it in one or two rows from the vernal equinox to Qingming. The row spacing is 70-90 cm, and the plant spacing is about 50 cm. When planting, put the spherical root into the hole, cover the soil and step on it, cover the soil between rows to form ridges, and the planting depth is 3-5cm. Seedlings can also be transplanted. Seedling can be raised in late March, and the seedling age is about 35 days. When the weather is sunny and warm, seedlings with 3-5 leaves can be transplanted, and 1500-2000 plants can be planted per mu.
Dry lotus roots like humidity, and the field should be kept dry and wet, and the humidity is about 65%, but avoid waterlogging. During the bulb expansion period, watering and fertilization should be combined in the construction of Sikun intersection, and 50 kg of compound fertilizer and 0/5 kg of urea/kloc-should be topdressing per mu to cultivate soil to protect bulbs.
The harvest time of lotus root is between frost and light snow, but in order to extend the supply period, it can also be supplied to the vegetable market at the end of September in advance. During storage, the stems and leaves on the ground are dug up when they are dead and fully mature, and dried in situ for 1-2 days (when there is freezing at night, they need to be taken back). When storing, put a layer of dried lotus root first, and then a layer of loose fine soil. The top layer should be covered with some dry and fresh straw, and finally covered with fine soil. When the quantity is small, it can be stored in sacks.