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Intercropped relationship change the developmental pattern of apple and white clover
Jianfeng Yang1, Tairan Zhang1, Yuanji Wang1
1a College of Natural Resources and environment , Northwest A&F University , Yangling , Shaanxi , China.
Bioengineered
|May 30, 2019
Summary
Intercropping dynamics reveal that competition between apple and white clover changes over time. Root development in apples and biomass in clover indicate shifting competitiveness in this diverse farming system.
Area of Science:
- Agricultural Science
- Plant Ecology
- Agronomy
Background:
- Intercropping enhances plant diversity and functional complementarity in agricultural systems.
- Competition, both inter- and intra-specific, is a key factor influencing intercropped systems.
- Understanding these competitive dynamics is crucial for optimizing intercropping practices.
Purpose of the Study:
- To investigate the competitive relationship between apple and white clover in an intercropped system.
- To analyze how crop competitiveness influences the dynamic interactions within the intercropping system.
- To characterize crop competitiveness based on root development and nutrient accumulation.
Main Methods:
- Establishment of a rhizo-box system for apple-white clover intercropping on the Loess Plateau.
- Monitoring of root development, aboveground growth, biomass, and nutrient accumulation.
- Comparative analysis between intercropped and monoculture systems.
Main Results:
- The competitive relationship between intercropped crops was dynamic and varied with crop competitiveness.
- Intercropping inhibited aboveground development and nutrient accumulation in apple trunks and branches.
- Intercropped apples exhibited larger root systems and altered root morphology compared to monoculture.
- White clover showed lower initial competitiveness but increased biomass and nutrient accumulation later in the season compared to monoculture.
Conclusions:
- Crop competitiveness, particularly root development, significantly influences the dynamic competitive interactions in intercropping.
- Despite aboveground inhibition, apple maintained a robust root system, indicating adaptation to intercropping.
- White clover's performance improved over time, demonstrating its potential in this intercropping system.
- The findings highlight the complex and shifting nature of competition in mixed cropping systems.
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