Chives should be topdressed in time after planting, neither too early nor too late.Premature application of root system has not yet topdressing growth, can not absorb.Too late is easy to lack nutrition, which will also affect growth.It is suggested that fertilizer should be applied when new leaves grow after fixed value, and diammonium sulfate should be used as fertilizer, 20 kg per mu should be applied.
When it enters the harvesting stage, it should be topdressed in time, and it should not be fertilized immediately after harvesting, otherwise the wound will be easily infected.It should be dried for two days, then watered and fertilized.At this time, 400 kg of decomposed manure and 30 kg of compound fertilizer should be applied per mu, together with watering, so that it can be better absorbed.
Leek is a perennial plant, which should be harvested in time during cultivation.If it is not harvested for a long time, it will be harmful to growth.Generally, after planting, when it grows to 30 centimeters high, it can be harvested for the first time, not too late or too early.Too late will affect the quality, too early will affect the growth.In addition, attention should be paid to timely fertilization, watering and management after harvesting, which can be harvested again in more than 20 days and five or six times a year.However, in late autumn, the growth rate will slow down, and harvesting should be carried out according to the specific situation.