以下为句子列表：
英文: A deficiency of potassium leads to a characteristic red or purple coloration of the leaves, poor root growth, and flower and fruit formation.
中文: 缺乏钾会导致叶子呈现红色或紫色，减少了根的生长以及花和果实的形成。
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英文: A kind of potassium fertilizer based lignin was made from modified lignin and potassium chloride, leaching experiment and pot experiment were conducted to test the effect of modified lignin on slow-releasing potassium fertilizer and the Bio-utilization.
中文: 摘要利用木质素改性産物作爲肥料添加剂，与氯化钾复混制成木质素钾肥，通过土柱淋溶与盆栽试验，验证木质素对钾肥的缓释作用与作物对钾肥利用情况。
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英文: A new method of producing comparatively pure potassium sulphate from seawater using inartificial zeolite as the medium of ion exchange was especially introduced.
中文: 特别介绍了用天然沸石作为离子交换剂，从海水中制备较纯净的硫酸钾新工艺。
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英文: A pool-culture experiment as conducted to study the effects of potassium humate on the growth and active oxygen metabolism of ginger root.
中文: 摘要采用池栽试验方法研究了腐植酸钾对生姜根系生长发育及活性氧代谢的影响。
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英文: {Where do you get the sulfur, potassium nitrate, and other chemicals?
中文: {你从哪弄硫磺，硝酸钾和其他的化学制品？
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