How to cultivate yellow day lily in mountainous area

Site selection. Choose a flatter, well-filled fertile loam or sandy loam soil, finely ploughed after ploughing, to achieve no dark and dark. The form is then ditching planting, generally Goushen 20--25 cm. Such as large and small planting, large line spacing of 100 cm, small line spacing of 50 cm, and even row spacing planting, line spacing is 70 cm.

Selected plants are planted. It can be planted by ramets, planted in spring and autumn, but it is best planted in autumn. Autumn is suitable for autumn and small snow, and spring planting is thawed in the soil to the Ching Ming Festival. When planting, the plant type is robust, and the roots of the roots are kept for more than three years, and 2/3 of the original plants are retained . One third of the ramets are removed from the root zone as seedlings, and graded planting is used to ensure the uniformity of the field. Hole spacing 40 - 50 cm per hole 3--5 strains. Soil compaction after transplanting, fertilizing acre 500--600 kilogram plus water, human waste, ensure survival, and watering the soil at ease.

Management after planting. After the transplant survival to timely weeding, watering Yuhan, in case of flood drainage, soil moisture remained at around 20%, in general watering 3--6 times, the combination of water, recovery of urea before bolting 8 --10 kg, phosphodiesterase Hydrogen potassium 3 - 4 kg, promotes thick and thick, multi-branched, early bud. Frozen before, superphosphate per acre 30 kg, 500 kg composting human manure or urea 15--20 kg. After the winter, the old leaves and dried stalks are cut off 3 cm from the ground , and artificial soil is applied to prevent freezing damage.

Pest Control. The diseases that damage the daylily are mainly rust and leaf spot. The main pests are red spiders, aphids, scarabs, tigers and crickets. In the prevention and control, a combination of agricultural, biological and chemical control should be adopted, mainly based on agricultural and biological measures, supplemented by chemical control. Chemical agents should use high-efficiency, low-toxicity and low-residue preparations to ensure timely use and ensure yield and quality.