1986～1987年在河北省昌黎县梁各庄乡后营村葡萄园,以1983年春定植的玫瑰香葡萄为试材,于初花期和浆果发育期(浆果绿豆粒大小)各喷一次20、30、50、100ppm硫酸亚钛水溶液,以喷清水为对照,观察对葡萄产量和品质的影响。试验园土壤为砂质轻壤土,行株距2.5×1m,每小区10株,重复4次,对比排列。结果表明,喷布硫酸亚钛 1986 ~ 1987 in Changli County, Hebei Province, Liang Village Township, after the village of vineyards to the 1983 spring planting rose grapes as a test material, early flowering and berry development (berry mung bean size) spray once 20,30 , 50,100ppm aqueous solution of titanium sulfate to spray water as a control to observe the impact on grape yield and quality. The soil in the test garden is light sandy loam with row spacing of 2.5 × 1m, 10 per plot, repeated 4 times and arranged in contrast. The results show that the spraying of titanium sulfate