花卉生长周期长,需肥量大,但市售花卉肥料多为速效肥料,养分利用率低,浪费污染严重,长期使用还会造成土壤板结酸化等问题。此外,传......

At present, international domestic afforests to the city with flowers and plants’ demand quantity and the quality all u......

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