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  • Title: [Effects of formula fertilization to yield and content on polysaccharide of Isatis indigotica].
    Author: Wang KC, Tang XQ, Wu J, Sun LP.
    Journal: Zhongguo Zhong Yao Za Zhi; 2007 Dec; 32(24):2588-91. PubMed ID: 18338592.
    Abstract:
    OBJECTIVE: To select the optimum formula fertilization of Isatis indigotica through analyzing the yield and contents of polysaccharide of Radix Isatis for different treatments. METHOD: 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. RESULT: 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). CONCLUSION: Superphosphate can observably influence the yields of Radix Inditis. while carbamide influence the contents of polysaccharide of Radix Inditis.
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