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Mineral nutrition of ornamental plants: III. absorption of nutrients by aster (Callestephus chinensis) plants

Aster plants were harvested periodically at 0, 18, 34, 46, 59 and 77 days after transplanting. The plants were divided into root, stem, leaves, flowers and analyzed for N, R, K, Ca, Mg, S, B, Cu, Fe, Mn, Zn. It was observed that aster plant show a fast growth period after 46 days. An aster plant presents at 77 days old 2,049 mg N; 212 mg P; 2,496 mg K; 915 mg Ca; 356 mg Mg; 159 mg S; 2,140 ug B; 3,070 ug Cu; 17,142 ug Fe; 6,946 ug Mn and 3,931 ug Zn.


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