山药优质标准化生产周年管理技1（Annual management technique for quality standardization production of Chinese yam 1）.docVIP

山药优质标准化生产周年管理技1（Annual management technique for quality standardization production of Chinese yam 1） Anniversary management technology for high quality standardized production of Chinese yam Agricultural seed industrialization project high quality Caozhou yam research group host? Agricultural Bureau of Heze City Development Zone law enforcement brigade / / Liu l agronomist in Shandong province of Heze Tianxin yam? Chamber of forestry science and Technology Co., Ltd.? Heze city vegetable association Zhang Ling yam Specialized Committee / / this article has published by rural mass in August 25, 2006 and September 1, 2006 Shandong vegetables published, China network and other agricultural planting sites can lose access to this topic (for reference). A: the selection and disinfection section (early March --4 month) 1: selection of uniform block selection without male plant disease, no damage, no burning heap, the best selection of yam plants, because plants (yam yam disease resistance, high yield ratio piece. Generally increase by more than 10%. 2 ~ 3 years shall be the highest yield). 2: the cross section of the yam seed segment cutting after disinfection, use the sick raw powder, 64% toxic mold or mancozeb powder with alum in disinfection sterilization; also available 50% or 1.5% were set out 5 (drug: water =1:5 times) immersion section, prevention of pathogen transmission, economy affordable, good effect. It is better not to cross the section with lime powder, because the lime powder is quick to absorb water, it is easy to cause the cracking of the cross section and cause the bacteria to be infected again. 3: Sun seed, the seeds, mouth, paragraph carefully classified, respectively, cool sun. But do not bask in the cement floor, in case of affecting budding, do not be rain, and do a good night cream, anti dew technical measures. Generally sun 30~35 days. (March 5th -4 10). Two: soil disinfection and killing of nematodes and other underground pests 1: before tillage cr