温室条件下水肥耦合对无土栽培迷你黄瓜及樱桃番茄产量的影响

Impacts of Water and Fertilizer Coupling on Landless Planting Fruit-cucumber's and Cheery-Tomato's Output

试验对温室内无土栽培的迷你黄瓜及樱桃番茄在全生育期及不同月份进行了水肥耦合试验,旨在揭示黄瓜和番茄产量与灌水量及施肥配比的内在关系。结果表明:黄瓜生育期最优灌水量为3977m3/hm2左右,最优施肥配比为N:P2O5:K2O=2:1:3;5、6、10月的最优灌水量为试验的中水,7-9月的最优灌水量为试验的高水,最优施肥配比在5-10月份都为N:P2O5:K2O=2:1:3;番茄生育期最优灌水量为8467m3/hm2左右,最优施肥配比为N:P2O5:K2O=2:1:3;6-11月份的最优灌水量都为试验的高水,6、7月的最优施肥配比为N:P2O5:K2O=2:1:2,8-11月的最优施肥配比为N:P2O5:K2O=2:1:3。在黄瓜和番茄生育旺盛期及生育后期适当增大K用量,有助于提高蔬菜产量。

The experiments of water and fertilizer coupling were done in this paper about the landless planting minicucumber and cherry tomato in all growth stage and different months in the greenhouse, the main purpose is to discover the internal relation between cucumber＇s and tomato＇s output and the amotmt of irrigation and fertilization ratio. The results showed that the cucumber＇s most appropriate amount of irrigation was 3977m^3/hm^2 and the most appropriate fertilization ratio was N：P2O5：K2O=2：1：3 ;The most appropriate amount of irrigation was medium water in May,June and October and maximum water from July to September in the experiment, the most appropriate fertilization ratio was 2：1：3 from May to October;The tomato＇s most appropriate amount of irrigation was 8467m^3/hm^2 and the most appropriate fertilization ratio is N：P2O5：K2O=2：1：3 ;The most appropriate amount of irrigation was maximum water from June to November in the experiment, the most appropriate fertilization ratios respectively were 2：1：2 in June and July and 2：1：3 from August to November. It will contribute to increasing the vegetable＇s output by improving the content of Kalium properly during cucumber＇ s and tomato＇ s growth blooming period and growth last period.