The climate is cool, not too hot. It has certain cold tolerance and drought tolerance. The growth time is very fast, and it can be harvested in about two months after planting. Very suitable for family planting. The requirement for soil is not high, it is fertile and loose, and good drainage is the most suitable. Generally speaking, fennel is wet-sown, that is, some soil should be left under the border before sowing, bottom water should be poured before sowing, and then when the water begins to penetrate below, it should be spread evenly and finally covered with soil.
Fennel should be planted in sandy loam or light sandy loam with deep soil layer, good salt drainage, strong permeability and good drainage. After the previous crop is harvested, the residual roots and rotten leaves in the field should be cleared, and the land should be deeply ploughed for 25~30 cm, dried and carefully leveled. When sowing in spring, if the soil is dry, you can water it a little more. After watering, sow seeds in a small ditch, and the seeds should be scattered more densely, so that the fennel yield will be higher. After sowing the seeds, the soil on both sides of the furrow is backfilled and covered on the seeds, and the sowing process is completed.
Fennel is short, but its fragrance is stronger than fennel's, and it is mainly planted in Beijing and other places in China. Foeniculum vulgare, as its name implies, will gather into a ball when it grows to a certain extent, grow fast and have high yield, but its taste is light. When fennel grows to two or four leaves, pay attention to using foliar fertilizer to promote dark green leaves and improve quality. When there are five to eight leaves, Wang control drugs can be used to prevent lodging.