葡萄叶面施肥高产优质葡萄生育中后期进行叶面喷肥，２小时后开始吸收，２４小时后吸肥量可达８８％，肥效迅速，而且省工、省肥，是葡萄生长中后期最优施肥方法。据试验，花期喷施０．２－０．５％尿素液加０．１％硼砂或硼酸溶液，可显著提高坐果率；幼果期和浆果成熟期... Grape foliar fertilization high-yielding and high-quality grapes during the late leaf spraying, 2 hours after the start of absorption, 24 hours after uptake of up to 88%, rapid effect, and labor-saving, provincial fertilizer is the best late-growing grapes Fertilization methods. According to the experiment, flowering 0.2-0.5% urea solution plus 0.1% borax or boric acid solution, can significantly improve the rate of fruit set; young fruit and berry ripening ...