rape plant短语¹⁴⁴⁹⁷²⁺² 基本例句 油菜 The trials were carried out through the treatment of different N application to research the regulation of N nutrition to biomass of different parts of rape plant in ripening stage. 通过不同 N肥处理的田间试验,研究 N素营养对油菜成熟期地上部各部位生物产量的调节作用。 ilib