1. Open cultivation: it can be cultivated directly in spring and autumn and winter. It is not suitable to water too much at seedling stage. When the growth season is about 10 cm, water frequently to keep the soil surface moist. In summer, the strong hot light should be properly shaded to prevent heavy rainfall and timely drainage, so as to ensure the emergence of seedlings orderly.
2. Cultivation of Dapeng: one time of cold water is needed before winter, which is beneficial to the seedlings for winter. When the seedlings turn green, loosen the soil and weed. Wait until the growth season, the temperature should be kept at 15 - 25 ℃, pay attention to January - February without ventilation.
1. Sorting: put the coriander seeds on the flat ground, rub them with flat objects hard and slowly, not to be broken, until they crack.
2. Soaking: soak in 30-45 ℃ warm water for 2-3 days before sowing, so that the seeds of coriander can sprout in about 12-13 days after being fully soaked in water, about 7 days ahead of the usual method.
1. Seedling stage: generally, there is no need to water and fertilize in seedling stage. Early fertilization will not do anything, it may also lead to root rot.
2. Growth period: in the growth period, you can choose to water and apply special fertilizer for vegetables. Fertilization should be stopped 20 days before harvest, and it can be harvested about 50 days after sowing.
Attention should be paid to the prevention and control of diseases and insect pests. Potassium fertilizer and organic fertilizer can be added to improve the disease resistance. Summer high temperature more watering, but also pay attention to summer heavy rainfall caused by water.
