nitrogen.相关论文
An expedment was designed to determine the effect of the fungal endophyte Neotyphodium lolii on the growth, physiologica......
本文探讨了酸性紫色土中花生拌钼和水培液中不同钼浓度、酸度对花生根瘤菌结瘤固氮的作用。结果表明:①水培液中钼浓度为0.06~0.12p......