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稀土元素对咖啡叶绿素和光合强度的影响 被引量:5

Effects of Rare Earth Elements on Chlorophyll and Photosynthesis Rate of Coffee arabica
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摘要 以小粒种咖啡4年生幼树为材料,通过田间栽培,研究复合稀土对咖啡幼树生长发育期、越冬期,结实期的影响.结果表明:用700mg/kg复合稀土溶液处理咖啡幼树,可以提高咖啡幼树叶片的叶绿素含量、促进植物光合强度。 Through experiments on growing in field, this paper studied the effects of composite rare earth on the growth and development of 4yearold coffee plants (Coffee arabica). The results showed that 700 mg/kg composite rare earth had positive influence on the content of chlorophyll in leaves of coffee plants and their photosynthesis rate, furthermore it accelerated the growth of coffee seedlings.
出处 《生态科学》 CSCD 1998年第1期10-14,共5页 Ecological Science
关键词 咖啡 稀土元素 叶绿素 光合强度 coffee, rare earth elements, content of chlorophyll, photosynthesis rate
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