YANG Feng,CUI Liang,HUANG Shan,et al.Soybean Growth Environment and Group Yield in Soybean Relay Intercropped with Different Leaf Type Maize[J].Soybean Science,2015,34(03):402-407.[doi:10.11861/j.issn.1000-9841.2015.03.0402]
不同株型玉米套作大豆生长环境动态及群体产量研究
- Title:
- Soybean Growth Environment and Group Yield in Soybean Relay Intercropped with Different Leaf Type Maize
- Keywords:
- Photosynthetically active radiation; Spectral irradiance; Relay intercropping; Soil; Plant type.
- 文献标志码:
- A
- 摘要:
- 为探明玉米-大豆带状套作下大豆生长环境动态规律及产量变化,选用不同株型玉米品种与大豆带状套作,分析了光强,光质,空气、土壤温湿度及产量变化规律。结果表明:大豆与紧凑型玉米套作下其冠层光合有效辐射和光谱辐照度在不同高度和不同时间都高于半紧凑和松散型。玉米-大豆带状套作群体土壤水分含量从大豆行间到玉米窄行间逐渐降低,大豆与紧凑型玉米套作群体不同空间位置土壤含水量变化幅度较小,而半紧凑和松散型玉米变化幅度较大。对于空气温湿度,紧凑型玉米套作下的大豆冠层空气温度最高,湿度最低。此外,大豆与紧凑型玉米套作下不同空间位置土壤0~10 cm温度高于半紧凑和松散型套作。大豆与紧凑型玉米套作下其产量显著高于与半紧凑和松散型玉米套作,但紧凑型玉米产量最低。因此,在玉米-大豆带状套作群体不同配置相关研究中应当考虑玉米株型对大豆生长环境及产量的影响。
- Abstract:
- Microenvironment dynamics directly affect the soybean yield in maize-soybean relay strip intercropping systems.Three different maize plant type varieties and one soybean variety were used as material in intercropping systems.Light intensity, light quality, temperature and humidity of soybean seedling growth were investigated. In addition, the yields of maize and soybean were analyzed in monoculture and intercropping conditions. The results showed that the canopy photosynthetic active radiation and spectral irradiance of soybean intercropped with compact plant type maize were higher than those intercropped with semi-compact and loose plant type maize.Soil water content decreased gradually from soybean rows to maize rows in a single strip under intercropping conditions. The changes of the soil water content at different place in soybean intercropped with compact plant type maize were smaller compared to those of soybean intercropped with semi-compact and loose plant type maize.The maximum value of soybean canopy air temperature appeared in compact plant type maize-soybean intercropping system.The opposite result was found in humidity of soybean canopy.In addition, the soil temperature of soybean intercropped with compact plant type maize in 0.10 cm was higher than those of soybean intercropped with semi-compact and loose plant type maize.The yield of soybean intercropped with compact plant type maize was significantly higher than those of intercropped with sime-compact and loose plant type maize, but the yield of maize was appeared the opposite result.Therefore, the effect of maize plant type on the growth environment and yield of soybean should be considered in maize-soybean relay strip intercropping systems.
参考文献/References:
[1]He Z H, Xia X C, Peng S B, et al. Meeting demands for increased cereal production in China [J].Journal of Cereal Science, 2014, 59(3): 235-244
备注/Memo
基金项目:国家重点基础研究发展计划“973计划”(2011CB100402);农业部公益性行业科研专项资金(201203096, 201103001)。