温室黄瓜四段变温管理法四段变温管理，是根据蔬菜植株本身在一天中生理活动中心的转移规律，将一昼夜分成四个阶段，并进行不同温度下管理的方式。据试验，温室黄瓜应用该管理法较昼温２８℃、夜温１４℃的常规管理，增产２０％，节省燃料ｌｌ～１９．３％。一、６～１２... Greenhouse Cucumber four sections of temperature management four sections of temperature management, is based on vegetable plants themselves in the day physical activity center of the transfer rule, one day and night will be divided into four stages, and under different temperature management. According to the experiment, the greenhouse cucumber application of the management method than day temperature 28 ℃, night temperature 14 ℃ conventional management, an increase of 20%, saving fuel ll ~ 19.3%. One, 6 ~ 12 ...