冬暖大棚黄瓜定植后到绝大多数植株第一雌花开放是黄瓜植株发育的“转折期”。如果定植时间是10月底或11月初,绝大多数植株第一雌花开放时间为12月上中旬。肥水管护转折期内不追肥也不浇水。转折期内应使植株顺利地由营养生长为主转到以生殖生长为主,开花结果期内一定不要浇水,控制茎叶的长势,促进叶 Winter warm greenhouse cucumber colonization to the vast majority of plants after the first female flower is cucumber plant development “transition ”. If the planting time is the end of October or early November, the vast majority of plants first female flowers open in mid-December. Fertilizer management turn-off period is not top-dressing nor watering. During the turning-off period, the plants should be successfully transferred from vegetative growth to reproductive growth. During the flowering period, watering must not be carried out to control the growth of stems and leaves and promote the development of leaves