大棚黄瓜增产五法大棚黄瓜早春栽培，在水、肥、温条件适宜的情况下，采用以下技术可以增产。一、烟薰：在幼苗２～３叶时，在棚内放烟，密闭３～４昼夜，可使黄瓜雌花增加，提高黄瓜产量。因为烟中的一氧化碳，能抑制瓜秧体内的氧化过程，使秧形成较多雌花，同时还可以控... Greenhouse cucumber production of five lawn greenhouse cucumber cultivation in the spring, water, fertilizer, temperature conditions suitable circumstances, the use of the following technologies can increase production. First, smoke Kaoru: 2 to 3 leaves in the seedlings, the smoke in the shed, airtight 3 to 4 days and nights, the cucumber female flowers can increase, increase cucumber yield. Because of the carbon monoxide in the smoke, can inhibit the oxidation process of melon seedlings, seedlings form more female flowers, but also can control ...