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叶面施用硫酸锌提高了茶叶产量,在平原地区,无论是轻修剪还是重修剪茶树,增加产量昕需硫酸锌的量是12.5—25公斤/公倾每年。在大吉岭平剪茶园,硫酸锌的用量
Foliar application of zinc sulfate increased tea production. In the plains, increasing the production of either light-pruned or re-pruned tea trees requires zinc sulfate to be 12.5-25 kg / yr per year. Flat cut in Darjeeling tea plantation, the amount of zinc sulfate