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本试验(1971—1973年)结果认为,2:2:1复合肥在茶园中施用有良好的增产效果,在采摘茶园中较单体氮肥三年平均茶叶增产12%,茶果增产30%。在幼令茶园中施用,效果更显著,尤其对促进幼令茶树根系生长更为突出,与单体氮肥相比根系总重增加4—5倍。2:2:1复合肥对茶叶品质也有良好的影响,有利于春茶中的茶多酚、儿茶素、水浸出物等的合成。
The results of this experiment (1971-1973) showed that 2: 2: 1 compound fertilizer had a good effect of increasing yield in the tea plantation. In the picking tea plantation, the average three-year yield of tea increased 12% and that of tea rose by 30%. In the young tea garden application, the effect is more significant, especially for promoting young root growth of tea tree more prominent, compared with single nitrogen fertilizer total root mass increased 4-5 times. 2: 2: 1 compound fertilizer also has a good effect on the quality of tea, is conducive to the synthesis of tea polyphenols, catechins, water extracts and so on.