|Table of Contents|

Control Effect of Different Amendments on the Continuous Cropping Obstacles of Codonopsis tangshen Oliv.

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2024年3
Page:
93-102
Research Field:
Publishing date:

Info

Title:
Control Effect of Different Amendments on the Continuous Cropping Obstacles of Codonopsis tangshen Oliv.
Author(s):
KANG Zhenxing1; LI Xiaoling2; 3; ZHOU Wuxian2; ZHANG Meide2; TIAN Mengwei1; HUANG Siyong1
(1.Department of Bioengineering，Enshi Polytechnic，Enshi，Hubei 445000；2.Institute of Chinese Herbal Medicines，Hubei Academy of Agricultural Sciences/Key Laboratory of Biology and Cultivation of Traditional Chinese Medicine，Ministry of Agriculture and Rural Areas,Enshi,Hubei 445000；3.Xuan′en County Gongshui River National Wetland Park Administration，Enshi，Hubei 445000)
Keywords:
continuous cropping obstacles; amendment; Codonopsis tangshen; agronomic traits; soil enzyme activity
PACS:
S 567.53
DOI:
10.11937/bfyy.20232819
Abstract:
Taking Codonopsis tangshen seeds as test materials,field experiments were conducted to study the control effects of organic matter (OM),quicklime (QL) and calcium magnesium phosphate fertilizer (CMP) on the continuous cropping obstacles of C.tangshen,in order to provide reference for reducing continuous cropping obstacles of C.tangshen through soil improvement.The results showed that,1) the yield of C.tangshen under the OM,QL and CMP treatments were improved by 37.9%,77.9%,117.4%,respectively,compared with the control.2) OM,QL and CMP treatments significantly increased the total chlorophyll and carotenoid content by 31.6%,18.2%,25.3% and 28.7%,18.0%,24.0%,respectively.3) The CAT activities in OM and QL treatments were significantly increased,while the O·2 content was dramatically decreased.4) The flavonoid content in the QL and CMP treatments was increased by 31.5% and 17.6%,respectively.Furthermore,OM treatment significantly increased the alkaloid content by 58.7%.5) QL and CMP treatments incereased the soil pH and alkaline phosphatase activity by 10.9%,9.8% and 95.4%,69.1%,respectively.Moreover,OM,QL and CMP treatments dramatically incereased the catalase activity by 16.7%、21.0% and 20.1%,respectively.6) All the three soil amendments promoted the morphological development,yield and photosynthetic pigment accumulation of C.tangshen.The promotion effects on the growth of C.tangshen followed the order of QL (CE=1.31)> CMP (CE=1.11)> OM (CE=1.02).In conclusion,the soil amendments can effectively alleviate the continuous cropping stress of C.tangshen mainly by regulating photosynthetic metabolism,antioxidation,and soil enzyme activity.The comprehensive analysis showed that the promotion effects of the three amendments on C.tangshen growth followed the order of QL (3 000 kg·hm-2)> CPM (3 000 kg·hm-2)> OM (4 500 kg·hm-2).

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Last Update: 2024-03-01