Planting techniques of barley

Dianthus is a perennial herb belonging to carnation family and carnation genus. Height 30~60cm, stem tufted, erect, upper 2 branches, nodes expanded. Leaves opposite, linear to linear-lanceolate, apex acuminate, base shortly sheath-like clasping, entire, both flour green. Flowers solitary or several integrated sparse cymes, fragrant.

Growth habits: like warm and humid environment, cold resistance. Suitable in fertile sandy loam or clay loam planting.

Planting method: sowing and breeding. Spring, summer and autumn can be planted, spring planting is better. First select the ground, apply sufficient base fertilizer, till the bed, drill, row spacing 27 cm, draw a 1 cm shallow ditch to sow the seeds evenly, push flat with hoe, cover the soil thinly. Under the condition of temperature 18-20 ℃, seedlings emerge in about 7 days.

Field management: de-crowding after emergence. During the growth period, we should loosen the soil, weed and water in time to keep the soil moist. When the seedling height is 10-15 cm, urea is applied 10 kg per mu. During flowering season, increase watering frequency appropriately. If you harvest twice, water before harvest, and do not water within 2-3 days after harvest to prevent irrigation. Before wintering, we should irrigate frozen water and cover manure. After thawing in the spring of the following year, we will smash and flatten the dung blocks to facilitate the return to green.

The main pests: green maggot and armyworm pests damage stems and leaves, available 50% fenitrothion EC 1000-2000 times liquid poison. Rainy season low-lying ponding easy to rot roots, lodging, pay attention to drainage.

Harvesting and processing: whole grass on medicinal ground. Spring sowing is harvested twice in the same year and three times a year after two years of growth. Half-seed half-flower harvest appropriate period, cut the whole grass, dry.