| Study on physiological and root morphological characteristics of maize and cotton intercropping |
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| DOI：10.7606/j.issn.1000-7601.2019.06.23 |
| Key Words: maize cotton intercropping planting pattern physiological characteristics root system field temperature and humidity chlorophyll content |
| Author Name | Affiliation | | LIU Tingting | College of Agronomy, Shihezi University, Shihezi, Xinjiang 832000, China | | TENG Yuanxu | College of Agronomy, Shihezi University, Shihezi, Xinjiang 832000, China | | YANG Tao | College of Agronomy, Shihezi University, Shihezi, Xinjiang 832000, China | | LI Bin | College of Agronomy, Shihezi University, Shihezi, Xinjiang 832000, China | | WAN Sumei | College of Plant Science and Technology, Tarim University, Alar, Xinjiang 843300, China | | CHEN Guodong | College of Plant Science and Technology, Tarim University, Alar, Xinjiang 843300, China | | ZHANG Wei | College of Agronomy, Shihezi University, Shihezi, Xinjiang 832000, China |
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| Abstract: |
| To explore the effects of different planting patterns on physiological characteristics and root morphological characteristics of the crops, in this experiment, monoculture and intercropping maize cotton were selected as the research objects. The experiment was carried out in three planting modes including monoculture crop corn, monoculture crop cotton, intercropped corn and cotton. By measuring the physiological characteristics, chlorophyll content, root characteristics, field temperature, humidity and yield of crops, the crop growth and land equivalent ratio under different planting modes were explored. The results showed that the SPAD value of maize functional leaf was 6.78% higher than that of intercropping and 1.12% higher than that of cotton functional leaf under intercropping. The average growth rate of maize intercropping was 83%, and the average growth rate of monoculture crop was 82.9%, indicating that the maize intercropping model was more conducive to plant height growth. The field temperatures of maize and intercropped cotton were 30.9℃ and 32.47℃, respectively. The field temperatures of cotton and intercropped cotton were 31.6℃ and 32.95℃, respectively. The intercropping pattern affected the root distribution to a certain extent, and the crop root length significantly increased by 4.7% in the middle of different soil layers. |
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