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黄瓜,在保护地蔬菜生产中占有重要地位。由于保护地的周年化生产,大大提高了土地的利用率,且黄瓜营养生长与生殖生长同时进行,同时保护地黄瓜兼有生育期长、产量高等特点,因此保护地黄瓜对养分的需求量很大,对肥料的施用技术要求也很
Cucumber, in the protection of vegetable production occupies an important position. Because of the annual production of protected areas, greatly improving the utilization of land, and cucumber nutrition and reproductive growth at the same time, while protecting the cucumber both the longer growth period, high yield, so the cucumber is very detrimental to nutrient demand Large, very demanding on the application of fertilizer technology