1、喷施钾肥。浆果迅速生长前用 0 .4 %硫酸钾溶液或0 .3%磷酸二氢钾溶液或 3%草木灰浸出液喷洒 ,一般连喷 2次。以嫩叶和叶片背面为主 ,均匀喷至全部湿润欲滴为度。可使葡萄含糖量增加 1.5 %～ 2 .5 %。2、喷稀土微肥。浆果变软期选择阴天或晴天下午喷施一次 0 .0 5 %的硝酸稀 1, spraying potassium. Before the rapid growth of berries with 0.4% potassium sulfate solution or 0.3% of potassium dihydrogen phosphate solution or 3% of ash leaching solution spray, the general spray even 2 times. To young leaves and leaves the back of the main, evenly sprayed to all the drops of moisture for the degree. Can increase the sugar content of grape 1.5% ~ 2.5%. 2, spray rare earth fertilizer. Berry softening period Choose cloudy or sunny afternoon sprayed with 0 0 5% dilute nitric acid