黄瓜周期性低产是影响菜农增收的一个主要原因之一。笔者从多年的种植和管理经验中,总结出以下几种原因会造成黄瓜的周期性低产。一次性结瓜过多想使自己的瓜秧多结瓜、多产瓜是每个种植户的共同心理,但在棚内高密度种植的情况下,叶片受光面积受到影响,每株正常生长的瓜秧一般情况下只能同时坐2条瓜,可有的棚户管理者一次让瓜秧同时坐住4～5条瓜,致使瓜秧生长点停止生长出现尖头瓜、大肚瓜,植株上较小的幼瓜全部化掉, Periodic low yield of cucumber is one of the main factors that affect the income of vegetable growers. The author from many years of planting and management experience, concluded that the following causes cucumber periodic low yield. One-time too much cucumber want to make their own melon seedlings more fruiting melon is common to each growers mentality, but the shed in the case of high-density planting, affected by the light-receiving area of ​​leaves, each plant normal growth Melon seedlings under normal circumstances can only sit 2 melons, shantytowns can be some managers at the same time to live melon seedlings while 4 to 5 melons, resulting in the growth of melon seedlings stop growing pointed melon, melon, melon, plants Smaller baby melon all out,