emerged plantとは 意味・読み方・使い方

A germination-preventing agent for an aquatic plant, spreading its root in bottom mud in a fresh water area selected from the group consisting of an emerged plant, a floating-leaved plant and a submerged plant, that comprises a magnesium oxide powder having a particle size of at most 0.75 mm and bulk density of at least 2.10 g/cm^3 is scattered on bottom mud in a fresh water area.例文帳に追加

淡水水域の底泥に、粒子径が０．７５ｍｍ以下で、嵩密度が２．１０ｇ／ｃｍ^3以上の酸化マグネシウム粉末を含む、抽水植物、浮葉植物及び沈水植物からなる群より選ばれる淡水水域の底泥に根を張る水生植物の発芽防止剤を散布する。 - 特許庁