macro element meaning in English

宏单元
宏量元素

Meanwhile , contents of macro element were also different in the same plant part . absorption of microelements by pogonatherum paniceum ( lam . ) hack . also varied greatly
适生岩体基本理化性质分析表明，金发草可在ph值为4 . 32 7 . 66环境下生长。
Concentration of the same macro element varied significantly with different plant parts . as for n and p , the variation followed the sequence of flower > leaf > root > stem , and the order was flower > leaf > stem > root for k , as well as leaf > root > flower > stem for ca . maximum content of mg was found in leaf while minimum value was detected in stem
不同部位微量元素含量不同，以fe差异最大(根叶fe含量最高，茎和花较低) ； cu含量为根叶花茎； mn为叶花根茎； zn含量以叶最高，茎次之，花最低： b含量顺序与zn类似； mo在所有部位中含量均偏低，以叶最高，根次之。