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材料及方法 试验在遵化市魏进河板栗良繁场进行 ,河滩沙地 ,土层厚度 3 0～ 50ｃｍ ,管理水平一般。供试品种为 8年生遵化短刺 ,试剂为河北华孚生物化学公司生产的 1 50ｍＬ瓶装植物促长剂。设 5个处理。 1 )单喷1 0 0 0倍促长剂 ;2 ) 1 0 0 0倍促长剂 +3 0 0倍磷酸二氢钾 ;
Materials and methods The experiment was carried out on the chestnut chestnut wei river in Zunhua City. The sandy beach was sandy and the thickness of the soil layer was 30cm to 50cm. The management level was normal. The test varieties were 8-year-old Zunhua spurs, reagents for the production of Hebei Huafu biochemical company 150mL bottled plant promoters. Set five processing. 1) single spray 1000 times accelerating agent; 2) 100 times accelerating agent + 300 times potassium dihydrogen phosphate;