Effect of Tillage Methods on Interaction Relationship of Soil and Root Structure and Application of CT Technology

doi:10.11924/j.issn.1000-6850.casb2021-0302

Abstract

Abstract:

Northeast China is a major grain production base in the country and has an essential role in ensuring the national food security. Rational soil structure can enhance crop root growth to form a sound basis for achieving high yield. Soil tillage can be a useful method for improving soil structure and enhancing root growth to build a “bridge” between soil structure and crop root, and regulate their function for improving soil structure and root growth. So, this paper reviewed the effect of tillage methods on soil structure and the relationship between soil structure and root structure, and analyzed the application of CT technology on soil structure and root structure. In addition, the scientific focuses of interaction relationship between soil structure and root structure were classified for protecting black soil in northeast China: (1) to study the original soil body and aggregate structure of conservative tillage clearly, classify the mechanism of new tillage technology on soil structure and analyze the internal mechanism of soil structure determining soil function; (2) to study the features of maize root structure under conservative tillage, classify mechanism of maize root physiology and aging, and reveal the response mechanism of maize to soil structure. The study can provide certain theoretical support for black soil conservation in northeast China, building better maize root structure, improving the crop yield and enhancing full mechanized agricultural production.

Key words: faming system, soil structure, root structure, X-ray computed tomography

CLC Number:

S556.1

Zheng Hongbing, Luo Yang, Li Ruiping, Sui Pengxiang, Wang Hao, Yuan Ye, Liu Wuren, Zheng Jinyu. Effect of Tillage Methods on Interaction Relationship of Soil and Root Structure and Application of CT Technology[J]. Chinese Agricultural Science Bulletin, 2021, 37(33): 83-87.

Figures/Tables 2

References 27

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