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素称“朱槿牡丹”的扶桑,虽然整株花花期较长,但单朵花的花期却很短,一般1—2天后即自行脱落。由于稀土(由17个金属元素组成的镧系元素氧化物)对植物的生长有刺激作用,能促进植物对其他养分的吸收,因此,我们于去年对它根施稀土微肥。具体做法是将400ppm的“农乐”益植素NL1即稀土,以每次100的用量分两次(间隔1月)根施于2年生的扦插扶桑中,收到一定效果。但鉴于目前稀土在花卉上的应用并不多,所以本试验只是一种初步尝试。
Hibiscus known as “hibiscus peony”, although the entire flowering period is longer, but the flowering of a single flower is very short, usually 1-2 days after its own off. Since rare earths (lanthanide oxides composed of 17 metallic elements) stimulate the growth of plants and promote plant uptake of other nutrients, we applied rare earth micronutrients to it last year. The specific approach is to 400ppm of “agile” beneficial plant NL1 that is rare earth, the amount of 100 each time in two (every January) root applied to 2-year-old cuttings hibiscus, and received some results. However, due to the current rare earth flowers in the application is not much, so this experiment is only a preliminary attempt.