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钾对增强茶树的光合作用过程、促进某些维生素的形成和贮存、活化多种酶活性、加强氮代谢及氨基酸合成蛋白质的生化过程、提高细胞原生质胶体的亲水性从而提高茶树的抗旱抗寒能力等都有良好的作用。早在三十年代,全苏茶及亚热带作物研究所分别在红壤及灰化壤茶园里,进行了长达40年的钾肥肥效试验。试验结果表明,钾
Potassium can enhance the photosynthesis of tea plant, promote the formation and storage of certain vitamins, activate a variety of enzyme activities, enhance the biochemical processes of nitrogen metabolism and amino acid synthesis of proteins, improve the hydrophilicity of cell protoplasts and improve the drought resistance and cold tolerance of tea plants Ability and so have a good effect. As early as the 1930s, the All-Sucha Tea and Subtropical Crop Research Institute conducted a potash fertilizer efficiency test for 40 years in red soil and ashed soil, respectively. Test results show that potassium