Study of the Mathematical Model of Fertilization in Salvia miltiorrhiza

doi:10.7668/hbnxb.2009.S1.053

Abstract

Abstract: The article discussed the effects N ,P and K fertilizer on the Salvia miltiorrhiza of yields, root characters andnutrient content by using the ″3414″mathematic model of balance fertilization.The result indicated that the absorption percentageof N were 5.2 %-14.8 %, 61.8 %-93.4 %, 0.6 %-28.7 %,when the Salvia miltiorrhiza had grown for 30,30 -90,90 -120 d respectively.The absorption percentage of P were 2.6%-7.8 %, 37 %-63.7 %, 28.5 -59 %respectively.And the absorption percentage of Kwere 86.3 %-95.3 %,when the Salvia miltiorrhiza had grown for 30 -90 d.The N ,P2O5 and K2O amount what 100 kg salvia miltiorrhiza output has need were 1.89 -2.26 ,0.57 -0.69,1.35 -2.14 kg respectively.At the same time,according to the mathematical model,the preferred fertilization plan was acquired,the N ,P2O5and K2O were respective 248.00,127.67,155.33 kg/ha.

Key words: Salviamiltiorrhiza, Fertilization, Mathematicalmodel, Rootcharacter, Nutritioncontent

CLC Number:

ZHAICai-xia, WENChun-xiu, ZHANGYan-cai, WANGLi-ying, LIQiao-yun, CHENLi-li. Study of the Mathematical Model of Fertilization in Salvia miltiorrhiza[J]. ACTA AGRICULTURAE BOREALI-SINICA, doi: 10.7668/hbnxb.2009.S1.053.

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http://www.hbnxb.net/EN/Y2009/V24/IS1/226

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