Zhongguo Zhongyao Zazhi 2007-Dec
[Effects of formula fertilization to yield and content on polysaccharide of Isatis indigotica].
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Resumo
OBJECTIVE
To select the optimum formula fertilization of Isatis indigotica through analyzing the yield and contents of polysaccharide of Radix Isatis for different treatments.
METHODS
An orthogonal experiment design on the basis of three factors and four levels was applied for studying the effect of formula fertilization on yield. The contents of polysaccharides were determined with phenol-witriolic colorimetry.
RESULTS
The optimum formula fertilization of Radix Isatis was carbamide 869.0 kg x hm(-2), superphosphate 1 428.6 kg x hm(-2) and potassium sulfate 0 kg x hm(-2).
CONCLUSIONS
Superphosphate can observably influence the yields of Radix Inditis. while carbamide influence the contents of polysaccharide of Radix Inditis.
