When will autumn buckwheat be planted in Qinhuangdao?

The sowing date of autumn buckwheat in Qinhuangdao is in the middle of July of the lunar calendar, around the summer heat in the 24 solar terms. Buckwheat is a short-term crop, which likes cool and humid, and is not resistant to high temperature, drought, wind and frost.

Planting management techniques of autumn buckwheat.

First, sow in time.

Buckwheat grows in a warm and cool environment and is afraid of frost. Early sowing is easy to be affected by high temperature in the early growth stage; Sowing too late is prone to freezing injury in the later stage of growth. Farmers' many years' experience in planting is that beginning of autumn is early, the Millennium is late, and it is just the right time to sow in summer.

Second, seed treatment

Before sowing, the seeds should be dried for 2-3 days, and then the seeds should be selected by soaking in warm soup, that is, the seeds should be soaked in warm water at 40℃ for 10 ~ 15 minutes to remove floating particles, and then the full seeds that sank below should be taken out to dry.

Third, fine soil preparation.

Buckwheat seedlings have poor topping ability, weak root development and high requirements for soil preparation, so it is necessary to do a good job of deep ploughing and soil preparation.

Fourth, increase fertilizer.

Buckwheat is barren-tolerant, but proper application of phosphorus and potassium fertilizer can significantly increase the yield. Fertilizer can be used as seed fertilizer. Pay attention to separate fertilizer from seeds to prevent seedlings from burning.

Verb (abbreviation of verb) sowing method

Sowing is the main form of sowing. Sowing can be divided into sowing before sowing and sowing before planting. Sow about 5 kilograms of seeds per mu.

Intransitive verb Tian Tuan management

First, flood control and drought prevention; Second, timely intertillage weeding; The third is to replenish fertilizer and prevent aging; Fourth, auxiliary pollination; The fifth is to prevent insects and rats. Seven, timely harvest

Before the first frost, when 70% of the seeds of the whole plant are dark brown, we should seize the time to harvest them in the morning and evening, tie them up or put them vertically indoors to make buckwheat fully mature.