禹城市露地芹菜钾肥总量控制试验

为了摸清禹城市露地芹菜生产适宜的钾肥用量，充分发挥钾肥的肥料效应，达到节本增效、提高蔬菜品质的目的，进行每1 hm2施用硫酸钾357，510，663 kg 的肥效试验。试验结果表明，每1 hm2施用硫酸钾510 kg 的处理3芹菜产量最高，为114500.0 kg/hm2，增产12.4%。

Effects of Different Total Application Amounts of Potassium Fertilizer on Yield and Quality of Outdoor Celery in Yucheng City

In order to make sure the suitable application amount of potassium fertilizer in outdoor celery production in Yucheng city and achieve the purpose of reducing cost and improving vegetable quality, we studied the effects of applying different total amounts of potassium fertilizer on the growth and yield of outdoor celery, and the total application amounts were 357, 510, 663 kg/hm2. The results showed that, the treatment 3, with total potassium fertilizer amount of 510 kg/hm2, possessed highest yield of 114 500.0 kg/hm2, and the yield increasing rate was 12.4%.