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DC Field | Value | Language |
---|---|---|
dc.creator | MAZZAFERA PAULO | - |
dc.date | 1999 | - |
dc.date.accessioned | 2013-05-29T21:46:08Z | - |
dc.date.available | 2013-05-29T21:46:08Z | - |
dc.date.issued | 2013-05-30 | - |
dc.identifier | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87051999000200018 | - |
dc.identifier | http://www.doaj.org/doaj?func=openurl&genre=article&issn=00068705&date=1999&volume=58&issue=2&spage=387 | - |
dc.identifier.uri | http://koha.mediu.edu.my:8181/jspui/handle/123456789/2146 | - |
dc.description | The effect of nutrient supply on the caffeine content of coffee (Coffea arabica L.) leaves was investigated. Seeds were germinated in nutrient-agar media lacking N, P, K, Ca, Mg, S, Zn, B or Mo. The control treatment contained all essential nutrients. The caffeine concentration was determined seven months after seed sowing when the seedlings have 3 to 4 pair of leaves. The omission of K induced the highest caffeine content in the leaves (24.5 g.kg-1). Caffeine in the control treatment was 21.9 g.kg -1. Absence of P induced the lowest content, 17.5 g.kg-1. | - |
dc.publisher | Instituto Agronômico de Campinas | - |
dc.source | Bragantia | - |
dc.subject | caffeine | - |
dc.subject | Coffea arabica L. | - |
dc.subject | mineral nutrition | - |
dc.title | Mineral nutrition and caffeine content in coffee leaves | - |
Appears in Collections: | Agriculture and Food Sciences |
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