Preliminary study on effect of different application amount of potassium fertilizer on sunshine greenhouse cucumber's character

A preliminary study was conducted on the effect of different application amount of potassium fertilizer on the growth character of cucumber under the equipment condition.The results indicate that,with the increase of the application amount of potassium fertilizer,the reluctant sugar,the Vc content,and the yield of the cucumber rise on the basis of the appropriate application amount of nitrogen and phosphorus.Result of analysis of the difference among the different treatment indicates that the yield_increasing benefit of the potassium fertilizer is the best when 720 kg·hm~(-2) is applied.