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锰在植物体内代谢的过程中,如光合作用,氮代谢和蛋白质合成等方面起着重要作用。这是因为在土壤中锰的原子价由 Mn+~2变为 Mn+~4,可建立一定水平的氧化还原势,对植物生理化功能极为重要。一些研究者认为,在植物体内锰以柠檬酸盐复合物形态存在,呈溶液状态,原子价常作变化。切利亚宾斯克师范学院曾研究了茶叶中锰与单宁含量的关系,指出成茶中单宁合量与锰含量成正相关。B .C戈德济阿什维利等( 1 961)研究茶树锰肥效
Manganese plays an important role in the metabolism of plants such as photosynthesis, nitrogen metabolism and protein synthesis. This is because the atomic valence of manganese in the soil from Mn + 2 to Mn + ~ 4 can establish a certain level of redox potential, which is very important to plant physiology. Some researchers think that manganese is present as a solution of citrate in the plant form, and the atomic valence often changes. Cecilia Banskan Teachers College has studied the relationship between manganese and tannin content in tea, and pointed out that the amount of tannin in tea is positively correlated with the manganese content. B.C. Goldschichvili et al (1 961) study tea Manganese fertilizer efficiency