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[1]ZHANG Hao,HE Tengbing,LIN Changhu,et al.Analysis on Soil Physical Properties in Pinellia fields Under Different Rotation Systems in Guizhou Province[J].Research of Soil and Water Conservation,2015,22(03):127-131,136.

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Analysis on Soil Physical Properties in Pinellia fields Under Different Rotation Systems in Guizhou Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 03 Page number: 127-131,136 Column: Public date: 2015-06-28

Title:: Analysis on Soil Physical Properties in Pinellia fields Under Different Rotation Systems in Guizhou Province

Author(s):: ZHANG Hao¹, HE Tengbing^1,2, LIN Changhu³, HE Guandi⁴, GAO Anqin^1,5; 1. College of Agriculture, Guizhou University, Guiyang 550025, China;
2. Institute of New Rural Development, Guizhou University, Guiyang 550025, China;
3. Key Laboratory of Natural Products Chemistry, Guizhou Province, Guiyang 550001, China;
4. College of Life Science, Guizhou University, Guiyang 550025, China;
5. Liupanshui City Agriculture Committee, Liupanshui, Guizhou 553000, China

Keywords:: rotation; production in Guizhou Province; Pinellia ternata; physical properties

CLC:: S153

DOI:: -

Abstract:: The purpose of this paper is to solve the continuous growth obstacle of Pinellia ternata, and explore the most appropriate rotation methods of Pinellia ternata. In this article, we put the 4 kinds of rotation soil as the research objects, including Radix Pseudostellariae, triennial Polygonum multiflorum, the short column type of Fagopyrum cymosum and annual Sophora flavescens, to test soil bulk density, soil natural water content, soil hydroscopic water and mechanical composition of soil. Results showed that soil water content of triennial Polygonum multiflorum was 6.4% above optimum moisture content and it was not suitable for cultivation of Pinellia ternata; but Fagopyrum cymosum was 30.01% and was optimum for cultivation. Soil bulk density between Pinellia ternata and different Chinese herbal medicine ranged from 0.92 g/cm³ to 1.09 g/cm³, soil bulk density and water content presented the negative correlation. The overall performance of soil hydroscopic water was that the variability coefficients belonged to the low and middle intensity. From soil mechanical composition, soil physical clay contents of Radix Pseudostellariae, triennial Polygonum multiflorum and the short column type of Fagopyrum cymosum were 37.60%, 44.60% and 33.93%, respectively, and annual Sophora flavescens was 31.10%. There were significant positive correlations between hydroscopic water content and soil physical clay content. With respect to Pinellia tuber growth requirements on soil physical properties, Pinellia ternata and the short column type of Fagopyrum cymosum are the best ways among the four rotation methods.

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