Ash seed dormancy and seed treatment and long, spring planting must first germination, germination treatment method has low temperature stratification and rapid germination. (1) low temperature stratification selected potential higher ground, good drainage, leeward shady place trenching, deep ditch on the principles of the permafrost below the water table more than 9 cm of ash, groove width 80 cm, depending on the length of the ditch depending on the number of seeds. Proportion of ash seeds and wet sand is 1:2 ~ 3, the first in the ditch 10 cm thick layer of wet sand, wet sand and then the seeds and mix evenly into the trench, species of sand thickness of 50 ~ 70cm , stamped with wet sand 10 cm from the ground, and then the casing so that the top was the roof shape. Every 0.7 ~ 1 m to put a Shujie, to facilitate ventilation, normal processing time is 60 ~ 80 d. (2) rapid germination of winter temperature is not low-temperature stratification of seeds 12 centimeters of ash, available 40 ℃ warm water soaking, naturally cool before soaking 2 ~ 3 d, changing the water once a day, remove the seeds mixed with 3 times wet sand, on the warm kang germination. Temperature should be maintained at 20 ~ 25 ℃, turning every day, kept moist, 20 d or so, can be planted and when exposed Liezui seed radicle and reach 30% of the total number of seeds. Captive breeding of nursery selection and soil preparation: Select the soil loose and fertile, sandy loam to facilitate irrigation wax, careful soil preparation before planting, so flat, pine, uniform, fine. Such as sandy soil, clay soil improvement is to take effective measures, such as multi-organic fertilizer, mixed with a lot of sand or foreign soil, improve soil physical and chemical properties. Per 667 m? 2 was applied to 5% of 2 ~ 3 kg of phoxim granules, the drug added to 11 cm of fine soil mixed with ash uniform, thrown into the nursery, and then plowing, elimination of soil pests. Per 667 m? 2 was applied to 15 ~ 20kg of ferrous sulfate, mixed with 20 times the fine soil, even thrown into the seedbed, seedling blight prevention. 8 cm Ash | Ash | Han Garden variety ash seedlings planted by Nanyang City Han Garden Limited. Nanyang City, Han Garden planting Ltd. (www.nyhanhuayuan.com) (www.nyhanhuayuan.com) strong, credible, Henan Nanyang flowers industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Han Garden planted into the brilliant and you work for a better future! You can also access (www.nyhanhuayuan.com/supply_details_37554520.html), for more information about the company.