Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 5: 68 - 72
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.05.015
Research on crop and soil nutrient utilization and stoichiometric characteristics in intercropping
Received date: 2024-12-26
Online published: 2025-03-13
Intercropping is one of crop planting modes. It can change the stoichiometric characteristics between crops and soil by improving the efficiency of nutrient use in crops and soil. In this paper, the effects of intercropping on crop and soil nutrient content and stoichiometric characteristics of plant and soil nutrient utilization in intercropping were introduced. The effects of intercropping on crop nutrient content and stoichiometric characteristics mainly included crop nutrient utilization, nutrient competition and collaboration effect of intercropping, and stoichiometric characteristics of intercropping. Intercropping promotes the uptake of nutrients such as carbon, nitrogen and phosphorus, and improves the efficiency of nutrient utilization, thus affecting the dry matter accumulation and biological yield of crops. Interspecific competition and collaboration could change the growth rate of plants, affect the biomass allocation among plant organs, and affect the stoichiometric characteristics such as the ratio of carbon to nitrogen and nitrogen to phosphorus through the interaction between different crops. In terms of the effects of intercropping on soil nutrient content and stoichiometric characteristics, it could significantly improve the absorption and utilization efficiency of soil nutrients compared with unicast and continuous cropping, thus promoting crop growth and development. It was mainly through improving the community structure of soil microorganisms, improving the activity of soil microorganisms, and then playing its role. Intercropping can change soil carbon-nitrogen ratio and carbon-phosphorus ratio, affect soil carbonization capacity and availability of soil nitrogen and phosphorus, and then affect crop growth. This paper provides references for further optimization of intercropping system and improvement of intercropping nutrient utilization efficiency.
LIU Siyu , GAO Kai . Research on crop and soil nutrient utilization and stoichiometric characteristics in intercropping[J]. Anhui Agricultural Science Bulletin, 2025 , 31(5) : 68 -72 . DOI: 10.16377/j.cnki.issn1007-7731.2025.05.015
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