植被的恢复使土壤理化性质发生了变化,与恢复前相比土壤中有机质、硷解氮、速效钾以及细砂、极细砂、粉砂、粘粒含量显著增加,pH值和速效磷含量降低。
极细沙
very fine sand
暂无补充释义。
相关例句
相关词条
very
your very own
great man; big potato; very important person (VIP)
the very same
1 hopeless; 2 too bad; 3 terrific; very good; excellent
Very erotic and very violence
very
very good partial remission,VGPR